Quick view Details Manley Performance | sku: MAN11562-8 Manley Chevy Big Block Stock 3/8 inch Severe Duty Intake Valves (Set of 8) - 11562-8 MSRP: $401.42 Now: $301.07 View Details Compare Quick view Details Manley Performance | sku: MAN10726-8 Manley Chevy Big Block Street Flo Intake Valves 2.250in Head Dia - 10726-8 MSRP: Now: $197.85 View Details Compare Quick view Details Manley Performance | sku: MAN12363-8 Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Extreme Duty Exhaust Valves (Set of 8) - 12363-8 MSRP: $685.44 Now: $514.08 View Details Compare Quick view Details Manley Performance | sku: MAN12361-8 Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Severe Duty Exhaust Valve (Set of 8) - 12361-8 MSRP: $401.42 Now: $301.07 View Details Compare Quick view Details Manley Performance | sku: MAN12361-1 Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Severe Duty Exhaust Valve (Single) - 12361-1 MSRP: $50.18 Now: $37.64 View Details Compare Quick view Details Manley Performance | sku: MAN12358-1 Manley Chevy L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valve (Single) - 12358-1 MSRP: $51.91 Now: $38.93 View Details Compare Quick view Details Manley Performance | sku: MAN12358-8 Manley Chevy L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valves (Set of 8) - 12358-8 MSRP: $415.30 Now: $311.48 View Details Compare Quick view Details Manley Performance | sku: MAN11680-8 Manley Chevy LS-1 Small Block 2.055 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11680-8 MSRP: $401.42 Now: $301.07 View Details Compare Quick view Details Manley Performance | sku: MAN11673-8 Manley Chevy LS-1, LS-2 Small Block 1.550 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11673-8 MSRP: $401.42 Now: $301.07 View Details Compare Quick view Details Manley Performance | sku: MAN11684-8 Manley Chevy LS-1/L-2 Small Block 2.100 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11684-8 MSRP: $401.42 Now: $301.07 View Details Compare Quick view Details Manley Performance | sku: MAN11682H-8 Manley Chevy LS-1/LS-2 (LS-6) Head Small Block Severe Duty/Pro Flo Hollow Intake Valves (Set of 8) - 11682H-8 MSRP: $925.59 Now: $694.19 View Details Compare Quick view Details Manley Performance | sku: MAN11681-8 Manley Chevy LS-1/LS-2 4.923in Pro Flo/Extreme Duty Exhaust Valves (Set of 8) - 11681-8 MSRP: $685.44 Now: $514.08 View Details Compare Quick view Manley Performance | sku: MAN11562-8 Manley Chevy Big Block Stock 3/8 inch Severe Duty Intake Valves (Set of 8) - 11562-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Quick view Manley Performance | sku: MAN10726-8 Manley Chevy Big Block Street Flo Intake Valves 2.250in Head Dia - 10726-8 High-Quality Stainless Steel: Our Street Series valves, available as XH-424 for exhaust and NK-841 for intake, are crafted from top-grade stainless steel, ensuring durability and longevity. MSRP: Now: $197.85 View Details Compare Quick view Manley Performance | sku: MAN12363-8 Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Extreme Duty Exhaust Valves (Set of 8) - 12363-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 View Details Compare Quick view Manley Performance | sku: MAN12361-8 Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Severe Duty Exhaust Valve (Set of 8) - 12361-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Quick view Manley Performance | sku: MAN12361-1 Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Severe Duty Exhaust Valve (Single) - 12361-1 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $50.18 Now: $37.64 View Details Compare Quick view Manley Performance | sku: MAN12358-1 Manley Chevy L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valve (Single) - 12358-1 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $51.91 Now: $38.93 View Details Compare Quick view Manley Performance | sku: MAN12358-8 Manley Chevy L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valves (Set of 8) - 12358-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 View Details Compare Quick view Manley Performance | sku: MAN11680-8 Manley Chevy LS-1 Small Block 2.055 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11680-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Quick view Manley Performance | sku: MAN11673-8 Manley Chevy LS-1, LS-2 Small Block 1.550 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11673-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Quick view Manley Performance | sku: MAN11684-8 Manley Chevy LS-1/L-2 Small Block 2.100 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11684-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Quick view Manley Performance | sku: MAN11682H-8 Manley Chevy LS-1/LS-2 (LS-6) Head Small Block Severe Duty/Pro Flo Hollow Intake Valves (Set of 8) - 11682H-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $925.59 Now: $694.19 View Details Compare Quick view Manley Performance | sku: MAN11681-8 Manley Chevy LS-1/LS-2 4.923in Pro Flo/Extreme Duty Exhaust Valves (Set of 8) - 11681-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 View Details Compare Previous 14 15 16 17 18 19 20 21 22 23 24 Next Previous 14 15 16 17 18 19 20 21 22 23 24 Next Compare Selected × OK
Quick view Details Manley Performance | sku: MAN10726-8 Manley Chevy Big Block Street Flo Intake Valves 2.250in Head Dia - 10726-8 MSRP: Now: $197.85 View Details Compare Quick view Details Manley Performance | sku: MAN12363-8 Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Extreme Duty Exhaust Valves (Set of 8) - 12363-8 MSRP: $685.44 Now: $514.08 View Details Compare Quick view Details Manley Performance | sku: MAN12361-8 Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Severe Duty Exhaust Valve (Set of 8) - 12361-8 MSRP: $401.42 Now: $301.07 View Details Compare Quick view Details Manley Performance | sku: MAN12361-1 Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Severe Duty Exhaust Valve (Single) - 12361-1 MSRP: $50.18 Now: $37.64 View Details Compare Quick view Details Manley Performance | sku: MAN12358-1 Manley Chevy L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valve (Single) - 12358-1 MSRP: $51.91 Now: $38.93 View Details Compare Quick view Details Manley Performance | sku: MAN12358-8 Manley Chevy L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valves (Set of 8) - 12358-8 MSRP: $415.30 Now: $311.48 View Details Compare Quick view Details Manley Performance | sku: MAN11680-8 Manley Chevy LS-1 Small Block 2.055 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11680-8 MSRP: $401.42 Now: $301.07 View Details Compare Quick view Details Manley Performance | sku: MAN11673-8 Manley Chevy LS-1, LS-2 Small Block 1.550 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11673-8 MSRP: $401.42 Now: $301.07 View Details Compare Quick view Details Manley Performance | sku: MAN11684-8 Manley Chevy LS-1/L-2 Small Block 2.100 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11684-8 MSRP: $401.42 Now: $301.07 View Details Compare Quick view Details Manley Performance | sku: MAN11682H-8 Manley Chevy LS-1/LS-2 (LS-6) Head Small Block Severe Duty/Pro Flo Hollow Intake Valves (Set of 8) - 11682H-8 MSRP: $925.59 Now: $694.19 View Details Compare Quick view Details Manley Performance | sku: MAN11681-8 Manley Chevy LS-1/LS-2 4.923in Pro Flo/Extreme Duty Exhaust Valves (Set of 8) - 11681-8 MSRP: $685.44 Now: $514.08 View Details Compare Quick view Manley Performance | sku: MAN11562-8 Manley Chevy Big Block Stock 3/8 inch Severe Duty Intake Valves (Set of 8) - 11562-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Quick view Manley Performance | sku: MAN10726-8 Manley Chevy Big Block Street Flo Intake Valves 2.250in Head Dia - 10726-8 High-Quality Stainless Steel: Our Street Series valves, available as XH-424 for exhaust and NK-841 for intake, are crafted from top-grade stainless steel, ensuring durability and longevity. MSRP: Now: $197.85 View Details Compare Quick view Manley Performance | sku: MAN12363-8 Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Extreme Duty Exhaust Valves (Set of 8) - 12363-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 View Details Compare Quick view Manley Performance | sku: MAN12361-8 Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Severe Duty Exhaust Valve (Set of 8) - 12361-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Quick view Manley Performance | sku: MAN12361-1 Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Severe Duty Exhaust Valve (Single) - 12361-1 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $50.18 Now: $37.64 View Details Compare Quick view Manley Performance | sku: MAN12358-1 Manley Chevy L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valve (Single) - 12358-1 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $51.91 Now: $38.93 View Details Compare Quick view Manley Performance | sku: MAN12358-8 Manley Chevy L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valves (Set of 8) - 12358-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 View Details Compare Quick view Manley Performance | sku: MAN11680-8 Manley Chevy LS-1 Small Block 2.055 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11680-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Quick view Manley Performance | sku: MAN11673-8 Manley Chevy LS-1, LS-2 Small Block 1.550 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11673-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Quick view Manley Performance | sku: MAN11684-8 Manley Chevy LS-1/L-2 Small Block 2.100 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11684-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Quick view Manley Performance | sku: MAN11682H-8 Manley Chevy LS-1/LS-2 (LS-6) Head Small Block Severe Duty/Pro Flo Hollow Intake Valves (Set of 8) - 11682H-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $925.59 Now: $694.19 View Details Compare Quick view Manley Performance | sku: MAN11681-8 Manley Chevy LS-1/LS-2 4.923in Pro Flo/Extreme Duty Exhaust Valves (Set of 8) - 11681-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 View Details Compare Previous 14 15 16 17 18 19 20 21 22 23 24 Next Previous 14 15 16 17 18 19 20 21 22 23 24 Next Compare Selected × OK
Quick view Details Manley Performance | sku: MAN12363-8 Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Extreme Duty Exhaust Valves (Set of 8) - 12363-8 MSRP: $685.44 Now: $514.08 View Details Compare Quick view Details Manley Performance | sku: MAN12361-8 Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Severe Duty Exhaust Valve (Set of 8) - 12361-8 MSRP: $401.42 Now: $301.07 View Details Compare Quick view Details Manley Performance | sku: MAN12361-1 Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Severe Duty Exhaust Valve (Single) - 12361-1 MSRP: $50.18 Now: $37.64 View Details Compare Quick view Details Manley Performance | sku: MAN12358-1 Manley Chevy L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valve (Single) - 12358-1 MSRP: $51.91 Now: $38.93 View Details Compare Quick view Details Manley Performance | sku: MAN12358-8 Manley Chevy L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valves (Set of 8) - 12358-8 MSRP: $415.30 Now: $311.48 View Details Compare Quick view Details Manley Performance | sku: MAN11680-8 Manley Chevy LS-1 Small Block 2.055 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11680-8 MSRP: $401.42 Now: $301.07 View Details Compare Quick view Details Manley Performance | sku: MAN11673-8 Manley Chevy LS-1, LS-2 Small Block 1.550 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11673-8 MSRP: $401.42 Now: $301.07 View Details Compare Quick view Details Manley Performance | sku: MAN11684-8 Manley Chevy LS-1/L-2 Small Block 2.100 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11684-8 MSRP: $401.42 Now: $301.07 View Details Compare Quick view Details Manley Performance | sku: MAN11682H-8 Manley Chevy LS-1/LS-2 (LS-6) Head Small Block Severe Duty/Pro Flo Hollow Intake Valves (Set of 8) - 11682H-8 MSRP: $925.59 Now: $694.19 View Details Compare Quick view Details Manley Performance | sku: MAN11681-8 Manley Chevy LS-1/LS-2 4.923in Pro Flo/Extreme Duty Exhaust Valves (Set of 8) - 11681-8 MSRP: $685.44 Now: $514.08 View Details Compare Quick view Manley Performance | sku: MAN11562-8 Manley Chevy Big Block Stock 3/8 inch Severe Duty Intake Valves (Set of 8) - 11562-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Quick view Manley Performance | sku: MAN10726-8 Manley Chevy Big Block Street Flo Intake Valves 2.250in Head Dia - 10726-8 High-Quality Stainless Steel: Our Street Series valves, available as XH-424 for exhaust and NK-841 for intake, are crafted from top-grade stainless steel, ensuring durability and longevity. MSRP: Now: $197.85 View Details Compare Quick view Manley Performance | sku: MAN12363-8 Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Extreme Duty Exhaust Valves (Set of 8) - 12363-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 View Details Compare Quick view Manley Performance | sku: MAN12361-8 Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Severe Duty Exhaust Valve (Set of 8) - 12361-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Quick view Manley Performance | sku: MAN12361-1 Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Severe Duty Exhaust Valve (Single) - 12361-1 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $50.18 Now: $37.64 View Details Compare Quick view Manley Performance | sku: MAN12358-1 Manley Chevy L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valve (Single) - 12358-1 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $51.91 Now: $38.93 View Details Compare Quick view Manley Performance | sku: MAN12358-8 Manley Chevy L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valves (Set of 8) - 12358-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 View Details Compare Quick view Manley Performance | sku: MAN11680-8 Manley Chevy LS-1 Small Block 2.055 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11680-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Quick view Manley Performance | sku: MAN11673-8 Manley Chevy LS-1, LS-2 Small Block 1.550 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11673-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Quick view Manley Performance | sku: MAN11684-8 Manley Chevy LS-1/L-2 Small Block 2.100 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11684-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Quick view Manley Performance | sku: MAN11682H-8 Manley Chevy LS-1/LS-2 (LS-6) Head Small Block Severe Duty/Pro Flo Hollow Intake Valves (Set of 8) - 11682H-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $925.59 Now: $694.19 View Details Compare Quick view Manley Performance | sku: MAN11681-8 Manley Chevy LS-1/LS-2 4.923in Pro Flo/Extreme Duty Exhaust Valves (Set of 8) - 11681-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 View Details Compare Previous 14 15 16 17 18 19 20 21 22 23 24 Next Previous 14 15 16 17 18 19 20 21 22 23 24 Next Compare Selected × OK
Quick view Details Manley Performance | sku: MAN12361-8 Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Severe Duty Exhaust Valve (Set of 8) - 12361-8 MSRP: $401.42 Now: $301.07 View Details Compare Quick view Details Manley Performance | sku: MAN12361-1 Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Severe Duty Exhaust Valve (Single) - 12361-1 MSRP: $50.18 Now: $37.64 View Details Compare Quick view Details Manley Performance | sku: MAN12358-1 Manley Chevy L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valve (Single) - 12358-1 MSRP: $51.91 Now: $38.93 View Details Compare Quick view Details Manley Performance | sku: MAN12358-8 Manley Chevy L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valves (Set of 8) - 12358-8 MSRP: $415.30 Now: $311.48 View Details Compare Quick view Details Manley Performance | sku: MAN11680-8 Manley Chevy LS-1 Small Block 2.055 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11680-8 MSRP: $401.42 Now: $301.07 View Details Compare Quick view Details Manley Performance | sku: MAN11673-8 Manley Chevy LS-1, LS-2 Small Block 1.550 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11673-8 MSRP: $401.42 Now: $301.07 View Details Compare Quick view Details Manley Performance | sku: MAN11684-8 Manley Chevy LS-1/L-2 Small Block 2.100 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11684-8 MSRP: $401.42 Now: $301.07 View Details Compare Quick view Details Manley Performance | sku: MAN11682H-8 Manley Chevy LS-1/LS-2 (LS-6) Head Small Block Severe Duty/Pro Flo Hollow Intake Valves (Set of 8) - 11682H-8 MSRP: $925.59 Now: $694.19 View Details Compare Quick view Details Manley Performance | sku: MAN11681-8 Manley Chevy LS-1/LS-2 4.923in Pro Flo/Extreme Duty Exhaust Valves (Set of 8) - 11681-8 MSRP: $685.44 Now: $514.08 View Details Compare Quick view Manley Performance | sku: MAN11562-8 Manley Chevy Big Block Stock 3/8 inch Severe Duty Intake Valves (Set of 8) - 11562-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Quick view Manley Performance | sku: MAN10726-8 Manley Chevy Big Block Street Flo Intake Valves 2.250in Head Dia - 10726-8 High-Quality Stainless Steel: Our Street Series valves, available as XH-424 for exhaust and NK-841 for intake, are crafted from top-grade stainless steel, ensuring durability and longevity. MSRP: Now: $197.85 View Details Compare Quick view Manley Performance | sku: MAN12363-8 Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Extreme Duty Exhaust Valves (Set of 8) - 12363-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 View Details Compare Quick view Manley Performance | sku: MAN12361-8 Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Severe Duty Exhaust Valve (Set of 8) - 12361-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Quick view Manley Performance | sku: MAN12361-1 Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Severe Duty Exhaust Valve (Single) - 12361-1 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $50.18 Now: $37.64 View Details Compare Quick view Manley Performance | sku: MAN12358-1 Manley Chevy L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valve (Single) - 12358-1 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $51.91 Now: $38.93 View Details Compare Quick view Manley Performance | sku: MAN12358-8 Manley Chevy L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valves (Set of 8) - 12358-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 View Details Compare Quick view Manley Performance | sku: MAN11680-8 Manley Chevy LS-1 Small Block 2.055 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11680-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Quick view Manley Performance | sku: MAN11673-8 Manley Chevy LS-1, LS-2 Small Block 1.550 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11673-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Quick view Manley Performance | sku: MAN11684-8 Manley Chevy LS-1/L-2 Small Block 2.100 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11684-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Quick view Manley Performance | sku: MAN11682H-8 Manley Chevy LS-1/LS-2 (LS-6) Head Small Block Severe Duty/Pro Flo Hollow Intake Valves (Set of 8) - 11682H-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $925.59 Now: $694.19 View Details Compare Quick view Manley Performance | sku: MAN11681-8 Manley Chevy LS-1/LS-2 4.923in Pro Flo/Extreme Duty Exhaust Valves (Set of 8) - 11681-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 View Details Compare Previous 14 15 16 17 18 19 20 21 22 23 24 Next Previous 14 15 16 17 18 19 20 21 22 23 24 Next Compare Selected × OK
Quick view Details Manley Performance | sku: MAN12361-1 Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Severe Duty Exhaust Valve (Single) - 12361-1 MSRP: $50.18 Now: $37.64 View Details Compare Quick view Details Manley Performance | sku: MAN12358-1 Manley Chevy L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valve (Single) - 12358-1 MSRP: $51.91 Now: $38.93 View Details Compare Quick view Details Manley Performance | sku: MAN12358-8 Manley Chevy L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valves (Set of 8) - 12358-8 MSRP: $415.30 Now: $311.48 View Details Compare Quick view Details Manley Performance | sku: MAN11680-8 Manley Chevy LS-1 Small Block 2.055 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11680-8 MSRP: $401.42 Now: $301.07 View Details Compare Quick view Details Manley Performance | sku: MAN11673-8 Manley Chevy LS-1, LS-2 Small Block 1.550 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11673-8 MSRP: $401.42 Now: $301.07 View Details Compare Quick view Details Manley Performance | sku: MAN11684-8 Manley Chevy LS-1/L-2 Small Block 2.100 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11684-8 MSRP: $401.42 Now: $301.07 View Details Compare Quick view Details Manley Performance | sku: MAN11682H-8 Manley Chevy LS-1/LS-2 (LS-6) Head Small Block Severe Duty/Pro Flo Hollow Intake Valves (Set of 8) - 11682H-8 MSRP: $925.59 Now: $694.19 View Details Compare Quick view Details Manley Performance | sku: MAN11681-8 Manley Chevy LS-1/LS-2 4.923in Pro Flo/Extreme Duty Exhaust Valves (Set of 8) - 11681-8 MSRP: $685.44 Now: $514.08 View Details Compare Quick view Manley Performance | sku: MAN11562-8 Manley Chevy Big Block Stock 3/8 inch Severe Duty Intake Valves (Set of 8) - 11562-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Quick view Manley Performance | sku: MAN10726-8 Manley Chevy Big Block Street Flo Intake Valves 2.250in Head Dia - 10726-8 High-Quality Stainless Steel: Our Street Series valves, available as XH-424 for exhaust and NK-841 for intake, are crafted from top-grade stainless steel, ensuring durability and longevity. MSRP: Now: $197.85 View Details Compare Quick view Manley Performance | sku: MAN12363-8 Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Extreme Duty Exhaust Valves (Set of 8) - 12363-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 View Details Compare Quick view Manley Performance | sku: MAN12361-8 Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Severe Duty Exhaust Valve (Set of 8) - 12361-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Quick view Manley Performance | sku: MAN12361-1 Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Severe Duty Exhaust Valve (Single) - 12361-1 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $50.18 Now: $37.64 View Details Compare Quick view Manley Performance | sku: MAN12358-1 Manley Chevy L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valve (Single) - 12358-1 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $51.91 Now: $38.93 View Details Compare Quick view Manley Performance | sku: MAN12358-8 Manley Chevy L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valves (Set of 8) - 12358-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 View Details Compare Quick view Manley Performance | sku: MAN11680-8 Manley Chevy LS-1 Small Block 2.055 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11680-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Quick view Manley Performance | sku: MAN11673-8 Manley Chevy LS-1, LS-2 Small Block 1.550 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11673-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Quick view Manley Performance | sku: MAN11684-8 Manley Chevy LS-1/L-2 Small Block 2.100 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11684-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Quick view Manley Performance | sku: MAN11682H-8 Manley Chevy LS-1/LS-2 (LS-6) Head Small Block Severe Duty/Pro Flo Hollow Intake Valves (Set of 8) - 11682H-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $925.59 Now: $694.19 View Details Compare Quick view Manley Performance | sku: MAN11681-8 Manley Chevy LS-1/LS-2 4.923in Pro Flo/Extreme Duty Exhaust Valves (Set of 8) - 11681-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 View Details Compare Previous 14 15 16 17 18 19 20 21 22 23 24 Next Previous 14 15 16 17 18 19 20 21 22 23 24 Next Compare Selected × OK
Quick view Details Manley Performance | sku: MAN12358-1 Manley Chevy L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valve (Single) - 12358-1 MSRP: $51.91 Now: $38.93 View Details Compare Quick view Details Manley Performance | sku: MAN12358-8 Manley Chevy L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valves (Set of 8) - 12358-8 MSRP: $415.30 Now: $311.48 View Details Compare Quick view Details Manley Performance | sku: MAN11680-8 Manley Chevy LS-1 Small Block 2.055 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11680-8 MSRP: $401.42 Now: $301.07 View Details Compare Quick view Details Manley Performance | sku: MAN11673-8 Manley Chevy LS-1, LS-2 Small Block 1.550 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11673-8 MSRP: $401.42 Now: $301.07 View Details Compare Quick view Details Manley Performance | sku: MAN11684-8 Manley Chevy LS-1/L-2 Small Block 2.100 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11684-8 MSRP: $401.42 Now: $301.07 View Details Compare Quick view Details Manley Performance | sku: MAN11682H-8 Manley Chevy LS-1/LS-2 (LS-6) Head Small Block Severe Duty/Pro Flo Hollow Intake Valves (Set of 8) - 11682H-8 MSRP: $925.59 Now: $694.19 View Details Compare Quick view Details Manley Performance | sku: MAN11681-8 Manley Chevy LS-1/LS-2 4.923in Pro Flo/Extreme Duty Exhaust Valves (Set of 8) - 11681-8 MSRP: $685.44 Now: $514.08 View Details Compare Quick view Manley Performance | sku: MAN11562-8 Manley Chevy Big Block Stock 3/8 inch Severe Duty Intake Valves (Set of 8) - 11562-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Quick view Manley Performance | sku: MAN10726-8 Manley Chevy Big Block Street Flo Intake Valves 2.250in Head Dia - 10726-8 High-Quality Stainless Steel: Our Street Series valves, available as XH-424 for exhaust and NK-841 for intake, are crafted from top-grade stainless steel, ensuring durability and longevity. MSRP: Now: $197.85 View Details Compare Quick view Manley Performance | sku: MAN12363-8 Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Extreme Duty Exhaust Valves (Set of 8) - 12363-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 View Details Compare Quick view Manley Performance | sku: MAN12361-8 Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Severe Duty Exhaust Valve (Set of 8) - 12361-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Quick view Manley Performance | sku: MAN12361-1 Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Severe Duty Exhaust Valve (Single) - 12361-1 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $50.18 Now: $37.64 View Details Compare Quick view Manley Performance | sku: MAN12358-1 Manley Chevy L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valve (Single) - 12358-1 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $51.91 Now: $38.93 View Details Compare Quick view Manley Performance | sku: MAN12358-8 Manley Chevy L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valves (Set of 8) - 12358-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 View Details Compare Quick view Manley Performance | sku: MAN11680-8 Manley Chevy LS-1 Small Block 2.055 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11680-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Quick view Manley Performance | sku: MAN11673-8 Manley Chevy LS-1, LS-2 Small Block 1.550 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11673-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Quick view Manley Performance | sku: MAN11684-8 Manley Chevy LS-1/L-2 Small Block 2.100 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11684-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Quick view Manley Performance | sku: MAN11682H-8 Manley Chevy LS-1/LS-2 (LS-6) Head Small Block Severe Duty/Pro Flo Hollow Intake Valves (Set of 8) - 11682H-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $925.59 Now: $694.19 View Details Compare Quick view Manley Performance | sku: MAN11681-8 Manley Chevy LS-1/LS-2 4.923in Pro Flo/Extreme Duty Exhaust Valves (Set of 8) - 11681-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 View Details Compare Previous 14 15 16 17 18 19 20 21 22 23 24 Next Previous 14 15 16 17 18 19 20 21 22 23 24 Next Compare Selected × OK
Quick view Details Manley Performance | sku: MAN12358-8 Manley Chevy L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valves (Set of 8) - 12358-8 MSRP: $415.30 Now: $311.48 View Details Compare Quick view Details Manley Performance | sku: MAN11680-8 Manley Chevy LS-1 Small Block 2.055 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11680-8 MSRP: $401.42 Now: $301.07 View Details Compare Quick view Details Manley Performance | sku: MAN11673-8 Manley Chevy LS-1, LS-2 Small Block 1.550 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11673-8 MSRP: $401.42 Now: $301.07 View Details Compare Quick view Details Manley Performance | sku: MAN11684-8 Manley Chevy LS-1/L-2 Small Block 2.100 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11684-8 MSRP: $401.42 Now: $301.07 View Details Compare Quick view Details Manley Performance | sku: MAN11682H-8 Manley Chevy LS-1/LS-2 (LS-6) Head Small Block Severe Duty/Pro Flo Hollow Intake Valves (Set of 8) - 11682H-8 MSRP: $925.59 Now: $694.19 View Details Compare Quick view Details Manley Performance | sku: MAN11681-8 Manley Chevy LS-1/LS-2 4.923in Pro Flo/Extreme Duty Exhaust Valves (Set of 8) - 11681-8 MSRP: $685.44 Now: $514.08 View Details Compare Quick view Manley Performance | sku: MAN11562-8 Manley Chevy Big Block Stock 3/8 inch Severe Duty Intake Valves (Set of 8) - 11562-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Quick view Manley Performance | sku: MAN10726-8 Manley Chevy Big Block Street Flo Intake Valves 2.250in Head Dia - 10726-8 High-Quality Stainless Steel: Our Street Series valves, available as XH-424 for exhaust and NK-841 for intake, are crafted from top-grade stainless steel, ensuring durability and longevity. MSRP: Now: $197.85 View Details Compare Quick view Manley Performance | sku: MAN12363-8 Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Extreme Duty Exhaust Valves (Set of 8) - 12363-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 View Details Compare Quick view Manley Performance | sku: MAN12361-8 Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Severe Duty Exhaust Valve (Set of 8) - 12361-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Quick view Manley Performance | sku: MAN12361-1 Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Severe Duty Exhaust Valve (Single) - 12361-1 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $50.18 Now: $37.64 View Details Compare Quick view Manley Performance | sku: MAN12358-1 Manley Chevy L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valve (Single) - 12358-1 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $51.91 Now: $38.93 View Details Compare Quick view Manley Performance | sku: MAN12358-8 Manley Chevy L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valves (Set of 8) - 12358-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 View Details Compare Quick view Manley Performance | sku: MAN11680-8 Manley Chevy LS-1 Small Block 2.055 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11680-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Quick view Manley Performance | sku: MAN11673-8 Manley Chevy LS-1, LS-2 Small Block 1.550 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11673-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Quick view Manley Performance | sku: MAN11684-8 Manley Chevy LS-1/L-2 Small Block 2.100 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11684-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Quick view Manley Performance | sku: MAN11682H-8 Manley Chevy LS-1/LS-2 (LS-6) Head Small Block Severe Duty/Pro Flo Hollow Intake Valves (Set of 8) - 11682H-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $925.59 Now: $694.19 View Details Compare Quick view Manley Performance | sku: MAN11681-8 Manley Chevy LS-1/LS-2 4.923in Pro Flo/Extreme Duty Exhaust Valves (Set of 8) - 11681-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 View Details Compare Previous 14 15 16 17 18 19 20 21 22 23 24 Next Previous 14 15 16 17 18 19 20 21 22 23 24 Next Compare Selected × OK
Quick view Details Manley Performance | sku: MAN11680-8 Manley Chevy LS-1 Small Block 2.055 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11680-8 MSRP: $401.42 Now: $301.07 View Details Compare Quick view Details Manley Performance | sku: MAN11673-8 Manley Chevy LS-1, LS-2 Small Block 1.550 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11673-8 MSRP: $401.42 Now: $301.07 View Details Compare Quick view Details Manley Performance | sku: MAN11684-8 Manley Chevy LS-1/L-2 Small Block 2.100 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11684-8 MSRP: $401.42 Now: $301.07 View Details Compare Quick view Details Manley Performance | sku: MAN11682H-8 Manley Chevy LS-1/LS-2 (LS-6) Head Small Block Severe Duty/Pro Flo Hollow Intake Valves (Set of 8) - 11682H-8 MSRP: $925.59 Now: $694.19 View Details Compare Quick view Details Manley Performance | sku: MAN11681-8 Manley Chevy LS-1/LS-2 4.923in Pro Flo/Extreme Duty Exhaust Valves (Set of 8) - 11681-8 MSRP: $685.44 Now: $514.08 View Details Compare Quick view Manley Performance | sku: MAN11562-8 Manley Chevy Big Block Stock 3/8 inch Severe Duty Intake Valves (Set of 8) - 11562-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Quick view Manley Performance | sku: MAN10726-8 Manley Chevy Big Block Street Flo Intake Valves 2.250in Head Dia - 10726-8 High-Quality Stainless Steel: Our Street Series valves, available as XH-424 for exhaust and NK-841 for intake, are crafted from top-grade stainless steel, ensuring durability and longevity. MSRP: Now: $197.85 View Details Compare Quick view Manley Performance | sku: MAN12363-8 Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Extreme Duty Exhaust Valves (Set of 8) - 12363-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 View Details Compare Quick view Manley Performance | sku: MAN12361-8 Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Severe Duty Exhaust Valve (Set of 8) - 12361-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Quick view Manley Performance | sku: MAN12361-1 Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Severe Duty Exhaust Valve (Single) - 12361-1 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $50.18 Now: $37.64 View Details Compare Quick view Manley Performance | sku: MAN12358-1 Manley Chevy L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valve (Single) - 12358-1 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $51.91 Now: $38.93 View Details Compare Quick view Manley Performance | sku: MAN12358-8 Manley Chevy L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valves (Set of 8) - 12358-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 View Details Compare Quick view Manley Performance | sku: MAN11680-8 Manley Chevy LS-1 Small Block 2.055 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11680-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Quick view Manley Performance | sku: MAN11673-8 Manley Chevy LS-1, LS-2 Small Block 1.550 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11673-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Quick view Manley Performance | sku: MAN11684-8 Manley Chevy LS-1/L-2 Small Block 2.100 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11684-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Quick view Manley Performance | sku: MAN11682H-8 Manley Chevy LS-1/LS-2 (LS-6) Head Small Block Severe Duty/Pro Flo Hollow Intake Valves (Set of 8) - 11682H-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $925.59 Now: $694.19 View Details Compare Quick view Manley Performance | sku: MAN11681-8 Manley Chevy LS-1/LS-2 4.923in Pro Flo/Extreme Duty Exhaust Valves (Set of 8) - 11681-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 View Details Compare Previous 14 15 16 17 18 19 20 21 22 23 24 Next Previous 14 15 16 17 18 19 20 21 22 23 24 Next Compare Selected × OK
Quick view Details Manley Performance | sku: MAN11673-8 Manley Chevy LS-1, LS-2 Small Block 1.550 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11673-8 MSRP: $401.42 Now: $301.07 View Details Compare Quick view Details Manley Performance | sku: MAN11684-8 Manley Chevy LS-1/L-2 Small Block 2.100 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11684-8 MSRP: $401.42 Now: $301.07 View Details Compare Quick view Details Manley Performance | sku: MAN11682H-8 Manley Chevy LS-1/LS-2 (LS-6) Head Small Block Severe Duty/Pro Flo Hollow Intake Valves (Set of 8) - 11682H-8 MSRP: $925.59 Now: $694.19 View Details Compare Quick view Details Manley Performance | sku: MAN11681-8 Manley Chevy LS-1/LS-2 4.923in Pro Flo/Extreme Duty Exhaust Valves (Set of 8) - 11681-8 MSRP: $685.44 Now: $514.08 View Details Compare Quick view Manley Performance | sku: MAN11562-8 Manley Chevy Big Block Stock 3/8 inch Severe Duty Intake Valves (Set of 8) - 11562-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Quick view Manley Performance | sku: MAN10726-8 Manley Chevy Big Block Street Flo Intake Valves 2.250in Head Dia - 10726-8 High-Quality Stainless Steel: Our Street Series valves, available as XH-424 for exhaust and NK-841 for intake, are crafted from top-grade stainless steel, ensuring durability and longevity. MSRP: Now: $197.85 View Details Compare Quick view Manley Performance | sku: MAN12363-8 Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Extreme Duty Exhaust Valves (Set of 8) - 12363-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 View Details Compare Quick view Manley Performance | sku: MAN12361-8 Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Severe Duty Exhaust Valve (Set of 8) - 12361-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Quick view Manley Performance | sku: MAN12361-1 Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Severe Duty Exhaust Valve (Single) - 12361-1 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $50.18 Now: $37.64 View Details Compare Quick view Manley Performance | sku: MAN12358-1 Manley Chevy L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valve (Single) - 12358-1 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $51.91 Now: $38.93 View Details Compare Quick view Manley Performance | sku: MAN12358-8 Manley Chevy L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valves (Set of 8) - 12358-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 View Details Compare Quick view Manley Performance | sku: MAN11680-8 Manley Chevy LS-1 Small Block 2.055 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11680-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Quick view Manley Performance | sku: MAN11673-8 Manley Chevy LS-1, LS-2 Small Block 1.550 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11673-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Quick view Manley Performance | sku: MAN11684-8 Manley Chevy LS-1/L-2 Small Block 2.100 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11684-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Quick view Manley Performance | sku: MAN11682H-8 Manley Chevy LS-1/LS-2 (LS-6) Head Small Block Severe Duty/Pro Flo Hollow Intake Valves (Set of 8) - 11682H-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $925.59 Now: $694.19 View Details Compare Quick view Manley Performance | sku: MAN11681-8 Manley Chevy LS-1/LS-2 4.923in Pro Flo/Extreme Duty Exhaust Valves (Set of 8) - 11681-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 View Details Compare Previous 14 15 16 17 18 19 20 21 22 23 24 Next Previous 14 15 16 17 18 19 20 21 22 23 24 Next Compare Selected × OK
Quick view Details Manley Performance | sku: MAN11684-8 Manley Chevy LS-1/L-2 Small Block 2.100 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11684-8 MSRP: $401.42 Now: $301.07 View Details Compare Quick view Details Manley Performance | sku: MAN11682H-8 Manley Chevy LS-1/LS-2 (LS-6) Head Small Block Severe Duty/Pro Flo Hollow Intake Valves (Set of 8) - 11682H-8 MSRP: $925.59 Now: $694.19 View Details Compare Quick view Details Manley Performance | sku: MAN11681-8 Manley Chevy LS-1/LS-2 4.923in Pro Flo/Extreme Duty Exhaust Valves (Set of 8) - 11681-8 MSRP: $685.44 Now: $514.08 View Details Compare Quick view Manley Performance | sku: MAN11562-8 Manley Chevy Big Block Stock 3/8 inch Severe Duty Intake Valves (Set of 8) - 11562-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Quick view Manley Performance | sku: MAN10726-8 Manley Chevy Big Block Street Flo Intake Valves 2.250in Head Dia - 10726-8 High-Quality Stainless Steel: Our Street Series valves, available as XH-424 for exhaust and NK-841 for intake, are crafted from top-grade stainless steel, ensuring durability and longevity. MSRP: Now: $197.85 View Details Compare Quick view Manley Performance | sku: MAN12363-8 Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Extreme Duty Exhaust Valves (Set of 8) - 12363-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 View Details Compare Quick view Manley Performance | sku: MAN12361-8 Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Severe Duty Exhaust Valve (Set of 8) - 12361-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Quick view Manley Performance | sku: MAN12361-1 Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Severe Duty Exhaust Valve (Single) - 12361-1 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $50.18 Now: $37.64 View Details Compare Quick view Manley Performance | sku: MAN12358-1 Manley Chevy L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valve (Single) - 12358-1 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $51.91 Now: $38.93 View Details Compare Quick view Manley Performance | sku: MAN12358-8 Manley Chevy L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valves (Set of 8) - 12358-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 View Details Compare Quick view Manley Performance | sku: MAN11680-8 Manley Chevy LS-1 Small Block 2.055 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11680-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Quick view Manley Performance | sku: MAN11673-8 Manley Chevy LS-1, LS-2 Small Block 1.550 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11673-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Quick view Manley Performance | sku: MAN11684-8 Manley Chevy LS-1/L-2 Small Block 2.100 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11684-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Quick view Manley Performance | sku: MAN11682H-8 Manley Chevy LS-1/LS-2 (LS-6) Head Small Block Severe Duty/Pro Flo Hollow Intake Valves (Set of 8) - 11682H-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $925.59 Now: $694.19 View Details Compare Quick view Manley Performance | sku: MAN11681-8 Manley Chevy LS-1/LS-2 4.923in Pro Flo/Extreme Duty Exhaust Valves (Set of 8) - 11681-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 View Details Compare Previous 14 15 16 17 18 19 20 21 22 23 24 Next Previous 14 15 16 17 18 19 20 21 22 23 24 Next Compare Selected × OK
Quick view Details Manley Performance | sku: MAN11682H-8 Manley Chevy LS-1/LS-2 (LS-6) Head Small Block Severe Duty/Pro Flo Hollow Intake Valves (Set of 8) - 11682H-8 MSRP: $925.59 Now: $694.19 View Details Compare Quick view Details Manley Performance | sku: MAN11681-8 Manley Chevy LS-1/LS-2 4.923in Pro Flo/Extreme Duty Exhaust Valves (Set of 8) - 11681-8 MSRP: $685.44 Now: $514.08 View Details Compare Quick view Manley Performance | sku: MAN11562-8 Manley Chevy Big Block Stock 3/8 inch Severe Duty Intake Valves (Set of 8) - 11562-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Quick view Manley Performance | sku: MAN10726-8 Manley Chevy Big Block Street Flo Intake Valves 2.250in Head Dia - 10726-8 High-Quality Stainless Steel: Our Street Series valves, available as XH-424 for exhaust and NK-841 for intake, are crafted from top-grade stainless steel, ensuring durability and longevity. MSRP: Now: $197.85 View Details Compare Quick view Manley Performance | sku: MAN12363-8 Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Extreme Duty Exhaust Valves (Set of 8) - 12363-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 View Details Compare Quick view Manley Performance | sku: MAN12361-8 Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Severe Duty Exhaust Valve (Set of 8) - 12361-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Quick view Manley Performance | sku: MAN12361-1 Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Severe Duty Exhaust Valve (Single) - 12361-1 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $50.18 Now: $37.64 View Details Compare Quick view Manley Performance | sku: MAN12358-1 Manley Chevy L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valve (Single) - 12358-1 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $51.91 Now: $38.93 View Details Compare Quick view Manley Performance | sku: MAN12358-8 Manley Chevy L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valves (Set of 8) - 12358-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 View Details Compare Quick view Manley Performance | sku: MAN11680-8 Manley Chevy LS-1 Small Block 2.055 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11680-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Quick view Manley Performance | sku: MAN11673-8 Manley Chevy LS-1, LS-2 Small Block 1.550 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11673-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Quick view Manley Performance | sku: MAN11684-8 Manley Chevy LS-1/L-2 Small Block 2.100 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11684-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Quick view Manley Performance | sku: MAN11682H-8 Manley Chevy LS-1/LS-2 (LS-6) Head Small Block Severe Duty/Pro Flo Hollow Intake Valves (Set of 8) - 11682H-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $925.59 Now: $694.19 View Details Compare Quick view Manley Performance | sku: MAN11681-8 Manley Chevy LS-1/LS-2 4.923in Pro Flo/Extreme Duty Exhaust Valves (Set of 8) - 11681-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 View Details Compare Previous 14 15 16 17 18 19 20 21 22 23 24 Next Previous 14 15 16 17 18 19 20 21 22 23 24 Next Compare Selected × OK
Quick view Details Manley Performance | sku: MAN11681-8 Manley Chevy LS-1/LS-2 4.923in Pro Flo/Extreme Duty Exhaust Valves (Set of 8) - 11681-8 MSRP: $685.44 Now: $514.08 View Details Compare Quick view Manley Performance | sku: MAN11562-8 Manley Chevy Big Block Stock 3/8 inch Severe Duty Intake Valves (Set of 8) - 11562-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Quick view Manley Performance | sku: MAN10726-8 Manley Chevy Big Block Street Flo Intake Valves 2.250in Head Dia - 10726-8 High-Quality Stainless Steel: Our Street Series valves, available as XH-424 for exhaust and NK-841 for intake, are crafted from top-grade stainless steel, ensuring durability and longevity. MSRP: Now: $197.85 View Details Compare Quick view Manley Performance | sku: MAN12363-8 Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Extreme Duty Exhaust Valves (Set of 8) - 12363-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 View Details Compare Quick view Manley Performance | sku: MAN12361-8 Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Severe Duty Exhaust Valve (Set of 8) - 12361-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Quick view Manley Performance | sku: MAN12361-1 Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Severe Duty Exhaust Valve (Single) - 12361-1 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $50.18 Now: $37.64 View Details Compare Quick view Manley Performance | sku: MAN12358-1 Manley Chevy L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valve (Single) - 12358-1 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $51.91 Now: $38.93 View Details Compare Quick view Manley Performance | sku: MAN12358-8 Manley Chevy L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valves (Set of 8) - 12358-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 View Details Compare Quick view Manley Performance | sku: MAN11680-8 Manley Chevy LS-1 Small Block 2.055 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11680-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Quick view Manley Performance | sku: MAN11673-8 Manley Chevy LS-1, LS-2 Small Block 1.550 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11673-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Quick view Manley Performance | sku: MAN11684-8 Manley Chevy LS-1/L-2 Small Block 2.100 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11684-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Quick view Manley Performance | sku: MAN11682H-8 Manley Chevy LS-1/LS-2 (LS-6) Head Small Block Severe Duty/Pro Flo Hollow Intake Valves (Set of 8) - 11682H-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $925.59 Now: $694.19 View Details Compare Quick view Manley Performance | sku: MAN11681-8 Manley Chevy LS-1/LS-2 4.923in Pro Flo/Extreme Duty Exhaust Valves (Set of 8) - 11681-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 View Details Compare Previous 14 15 16 17 18 19 20 21 22 23 24 Next Previous 14 15 16 17 18 19 20 21 22 23 24 Next Compare Selected × OK
Quick view Manley Performance | sku: MAN11562-8 Manley Chevy Big Block Stock 3/8 inch Severe Duty Intake Valves (Set of 8) - 11562-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Quick view Manley Performance | sku: MAN10726-8 Manley Chevy Big Block Street Flo Intake Valves 2.250in Head Dia - 10726-8 High-Quality Stainless Steel: Our Street Series valves, available as XH-424 for exhaust and NK-841 for intake, are crafted from top-grade stainless steel, ensuring durability and longevity. MSRP: Now: $197.85 View Details Compare Quick view Manley Performance | sku: MAN12363-8 Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Extreme Duty Exhaust Valves (Set of 8) - 12363-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 View Details Compare Quick view Manley Performance | sku: MAN12361-8 Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Severe Duty Exhaust Valve (Set of 8) - 12361-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Quick view Manley Performance | sku: MAN12361-1 Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Severe Duty Exhaust Valve (Single) - 12361-1 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $50.18 Now: $37.64 View Details Compare Quick view Manley Performance | sku: MAN12358-1 Manley Chevy L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valve (Single) - 12358-1 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $51.91 Now: $38.93 View Details Compare Quick view Manley Performance | sku: MAN12358-8 Manley Chevy L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valves (Set of 8) - 12358-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 View Details Compare Quick view Manley Performance | sku: MAN11680-8 Manley Chevy LS-1 Small Block 2.055 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11680-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Quick view Manley Performance | sku: MAN11673-8 Manley Chevy LS-1, LS-2 Small Block 1.550 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11673-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Quick view Manley Performance | sku: MAN11684-8 Manley Chevy LS-1/L-2 Small Block 2.100 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11684-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Quick view Manley Performance | sku: MAN11682H-8 Manley Chevy LS-1/LS-2 (LS-6) Head Small Block Severe Duty/Pro Flo Hollow Intake Valves (Set of 8) - 11682H-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $925.59 Now: $694.19 View Details Compare Quick view Manley Performance | sku: MAN11681-8 Manley Chevy LS-1/LS-2 4.923in Pro Flo/Extreme Duty Exhaust Valves (Set of 8) - 11681-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 View Details Compare Previous 14 15 16 17 18 19 20 21 22 23 24 Next Previous 14 15 16 17 18 19 20 21 22 23 24 Next Compare Selected × OK
Quick view Manley Performance | sku: MAN10726-8 Manley Chevy Big Block Street Flo Intake Valves 2.250in Head Dia - 10726-8 High-Quality Stainless Steel: Our Street Series valves, available as XH-424 for exhaust and NK-841 for intake, are crafted from top-grade stainless steel, ensuring durability and longevity. MSRP: Now: $197.85 View Details Compare Quick view Manley Performance | sku: MAN12363-8 Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Extreme Duty Exhaust Valves (Set of 8) - 12363-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 View Details Compare Quick view Manley Performance | sku: MAN12361-8 Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Severe Duty Exhaust Valve (Set of 8) - 12361-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Quick view Manley Performance | sku: MAN12361-1 Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Severe Duty Exhaust Valve (Single) - 12361-1 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $50.18 Now: $37.64 View Details Compare Quick view Manley Performance | sku: MAN12358-1 Manley Chevy L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valve (Single) - 12358-1 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $51.91 Now: $38.93 View Details Compare Quick view Manley Performance | sku: MAN12358-8 Manley Chevy L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valves (Set of 8) - 12358-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 View Details Compare Quick view Manley Performance | sku: MAN11680-8 Manley Chevy LS-1 Small Block 2.055 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11680-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Quick view Manley Performance | sku: MAN11673-8 Manley Chevy LS-1, LS-2 Small Block 1.550 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11673-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Quick view Manley Performance | sku: MAN11684-8 Manley Chevy LS-1/L-2 Small Block 2.100 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11684-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Quick view Manley Performance | sku: MAN11682H-8 Manley Chevy LS-1/LS-2 (LS-6) Head Small Block Severe Duty/Pro Flo Hollow Intake Valves (Set of 8) - 11682H-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $925.59 Now: $694.19 View Details Compare Quick view Manley Performance | sku: MAN11681-8 Manley Chevy LS-1/LS-2 4.923in Pro Flo/Extreme Duty Exhaust Valves (Set of 8) - 11681-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 View Details Compare Previous 14 15 16 17 18 19 20 21 22 23 24 Next Previous 14 15 16 17 18 19 20 21 22 23 24 Next Compare Selected × OK
Quick view Manley Performance | sku: MAN12363-8 Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Extreme Duty Exhaust Valves (Set of 8) - 12363-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 View Details Compare Quick view Manley Performance | sku: MAN12361-8 Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Severe Duty Exhaust Valve (Set of 8) - 12361-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Quick view Manley Performance | sku: MAN12361-1 Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Severe Duty Exhaust Valve (Single) - 12361-1 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $50.18 Now: $37.64 View Details Compare Quick view Manley Performance | sku: MAN12358-1 Manley Chevy L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valve (Single) - 12358-1 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $51.91 Now: $38.93 View Details Compare Quick view Manley Performance | sku: MAN12358-8 Manley Chevy L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valves (Set of 8) - 12358-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 View Details Compare Quick view Manley Performance | sku: MAN11680-8 Manley Chevy LS-1 Small Block 2.055 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11680-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Quick view Manley Performance | sku: MAN11673-8 Manley Chevy LS-1, LS-2 Small Block 1.550 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11673-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Quick view Manley Performance | sku: MAN11684-8 Manley Chevy LS-1/L-2 Small Block 2.100 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11684-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Quick view Manley Performance | sku: MAN11682H-8 Manley Chevy LS-1/LS-2 (LS-6) Head Small Block Severe Duty/Pro Flo Hollow Intake Valves (Set of 8) - 11682H-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $925.59 Now: $694.19 View Details Compare Quick view Manley Performance | sku: MAN11681-8 Manley Chevy LS-1/LS-2 4.923in Pro Flo/Extreme Duty Exhaust Valves (Set of 8) - 11681-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 View Details Compare Previous 14 15 16 17 18 19 20 21 22 23 24 Next Previous 14 15 16 17 18 19 20 21 22 23 24 Next Compare Selected × OK
Quick view Manley Performance | sku: MAN12361-8 Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Severe Duty Exhaust Valve (Set of 8) - 12361-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Quick view Manley Performance | sku: MAN12361-1 Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Severe Duty Exhaust Valve (Single) - 12361-1 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $50.18 Now: $37.64 View Details Compare Quick view Manley Performance | sku: MAN12358-1 Manley Chevy L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valve (Single) - 12358-1 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $51.91 Now: $38.93 View Details Compare Quick view Manley Performance | sku: MAN12358-8 Manley Chevy L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valves (Set of 8) - 12358-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 View Details Compare Quick view Manley Performance | sku: MAN11680-8 Manley Chevy LS-1 Small Block 2.055 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11680-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Quick view Manley Performance | sku: MAN11673-8 Manley Chevy LS-1, LS-2 Small Block 1.550 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11673-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Quick view Manley Performance | sku: MAN11684-8 Manley Chevy LS-1/L-2 Small Block 2.100 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11684-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Quick view Manley Performance | sku: MAN11682H-8 Manley Chevy LS-1/LS-2 (LS-6) Head Small Block Severe Duty/Pro Flo Hollow Intake Valves (Set of 8) - 11682H-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $925.59 Now: $694.19 View Details Compare Quick view Manley Performance | sku: MAN11681-8 Manley Chevy LS-1/LS-2 4.923in Pro Flo/Extreme Duty Exhaust Valves (Set of 8) - 11681-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 View Details Compare Previous 14 15 16 17 18 19 20 21 22 23 24 Next Previous 14 15 16 17 18 19 20 21 22 23 24 Next Compare Selected × OK
Quick view Manley Performance | sku: MAN12361-1 Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Severe Duty Exhaust Valve (Single) - 12361-1 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $50.18 Now: $37.64 View Details Compare Quick view Manley Performance | sku: MAN12358-1 Manley Chevy L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valve (Single) - 12358-1 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $51.91 Now: $38.93 View Details Compare Quick view Manley Performance | sku: MAN12358-8 Manley Chevy L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valves (Set of 8) - 12358-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 View Details Compare Quick view Manley Performance | sku: MAN11680-8 Manley Chevy LS-1 Small Block 2.055 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11680-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Quick view Manley Performance | sku: MAN11673-8 Manley Chevy LS-1, LS-2 Small Block 1.550 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11673-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Quick view Manley Performance | sku: MAN11684-8 Manley Chevy LS-1/L-2 Small Block 2.100 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11684-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Quick view Manley Performance | sku: MAN11682H-8 Manley Chevy LS-1/LS-2 (LS-6) Head Small Block Severe Duty/Pro Flo Hollow Intake Valves (Set of 8) - 11682H-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $925.59 Now: $694.19 View Details Compare Quick view Manley Performance | sku: MAN11681-8 Manley Chevy LS-1/LS-2 4.923in Pro Flo/Extreme Duty Exhaust Valves (Set of 8) - 11681-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 View Details Compare Previous 14 15 16 17 18 19 20 21 22 23 24 Next Previous 14 15 16 17 18 19 20 21 22 23 24 Next Compare Selected × OK
Quick view Manley Performance | sku: MAN12358-1 Manley Chevy L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valve (Single) - 12358-1 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $51.91 Now: $38.93 View Details Compare Quick view Manley Performance | sku: MAN12358-8 Manley Chevy L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valves (Set of 8) - 12358-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 View Details Compare Quick view Manley Performance | sku: MAN11680-8 Manley Chevy LS-1 Small Block 2.055 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11680-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Quick view Manley Performance | sku: MAN11673-8 Manley Chevy LS-1, LS-2 Small Block 1.550 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11673-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Quick view Manley Performance | sku: MAN11684-8 Manley Chevy LS-1/L-2 Small Block 2.100 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11684-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Quick view Manley Performance | sku: MAN11682H-8 Manley Chevy LS-1/LS-2 (LS-6) Head Small Block Severe Duty/Pro Flo Hollow Intake Valves (Set of 8) - 11682H-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $925.59 Now: $694.19 View Details Compare Quick view Manley Performance | sku: MAN11681-8 Manley Chevy LS-1/LS-2 4.923in Pro Flo/Extreme Duty Exhaust Valves (Set of 8) - 11681-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 View Details Compare Previous 14 15 16 17 18 19 20 21 22 23 24 Next Previous 14 15 16 17 18 19 20 21 22 23 24 Next Compare Selected × OK
Quick view Manley Performance | sku: MAN12358-8 Manley Chevy L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valves (Set of 8) - 12358-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 View Details Compare Quick view Manley Performance | sku: MAN11680-8 Manley Chevy LS-1 Small Block 2.055 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11680-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Quick view Manley Performance | sku: MAN11673-8 Manley Chevy LS-1, LS-2 Small Block 1.550 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11673-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Quick view Manley Performance | sku: MAN11684-8 Manley Chevy LS-1/L-2 Small Block 2.100 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11684-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Quick view Manley Performance | sku: MAN11682H-8 Manley Chevy LS-1/LS-2 (LS-6) Head Small Block Severe Duty/Pro Flo Hollow Intake Valves (Set of 8) - 11682H-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $925.59 Now: $694.19 View Details Compare Quick view Manley Performance | sku: MAN11681-8 Manley Chevy LS-1/LS-2 4.923in Pro Flo/Extreme Duty Exhaust Valves (Set of 8) - 11681-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 View Details Compare Previous 14 15 16 17 18 19 20 21 22 23 24 Next Previous 14 15 16 17 18 19 20 21 22 23 24 Next Compare Selected × OK
Quick view Manley Performance | sku: MAN11680-8 Manley Chevy LS-1 Small Block 2.055 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11680-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Quick view Manley Performance | sku: MAN11673-8 Manley Chevy LS-1, LS-2 Small Block 1.550 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11673-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Quick view Manley Performance | sku: MAN11684-8 Manley Chevy LS-1/L-2 Small Block 2.100 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11684-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Quick view Manley Performance | sku: MAN11682H-8 Manley Chevy LS-1/LS-2 (LS-6) Head Small Block Severe Duty/Pro Flo Hollow Intake Valves (Set of 8) - 11682H-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $925.59 Now: $694.19 View Details Compare Quick view Manley Performance | sku: MAN11681-8 Manley Chevy LS-1/LS-2 4.923in Pro Flo/Extreme Duty Exhaust Valves (Set of 8) - 11681-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 View Details Compare Previous 14 15 16 17 18 19 20 21 22 23 24 Next Previous 14 15 16 17 18 19 20 21 22 23 24 Next Compare Selected × OK
Quick view Manley Performance | sku: MAN11673-8 Manley Chevy LS-1, LS-2 Small Block 1.550 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11673-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Quick view Manley Performance | sku: MAN11684-8 Manley Chevy LS-1/L-2 Small Block 2.100 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11684-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Quick view Manley Performance | sku: MAN11682H-8 Manley Chevy LS-1/LS-2 (LS-6) Head Small Block Severe Duty/Pro Flo Hollow Intake Valves (Set of 8) - 11682H-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $925.59 Now: $694.19 View Details Compare Quick view Manley Performance | sku: MAN11681-8 Manley Chevy LS-1/LS-2 4.923in Pro Flo/Extreme Duty Exhaust Valves (Set of 8) - 11681-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 View Details Compare Previous 14 15 16 17 18 19 20 21 22 23 24 Next Previous 14 15 16 17 18 19 20 21 22 23 24 Next Compare Selected × OK
Quick view Manley Performance | sku: MAN11684-8 Manley Chevy LS-1/L-2 Small Block 2.100 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11684-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Quick view Manley Performance | sku: MAN11682H-8 Manley Chevy LS-1/LS-2 (LS-6) Head Small Block Severe Duty/Pro Flo Hollow Intake Valves (Set of 8) - 11682H-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $925.59 Now: $694.19 View Details Compare Quick view Manley Performance | sku: MAN11681-8 Manley Chevy LS-1/LS-2 4.923in Pro Flo/Extreme Duty Exhaust Valves (Set of 8) - 11681-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 View Details Compare Previous 14 15 16 17 18 19 20 21 22 23 24 Next Previous 14 15 16 17 18 19 20 21 22 23 24 Next Compare Selected × OK
Quick view Manley Performance | sku: MAN11682H-8 Manley Chevy LS-1/LS-2 (LS-6) Head Small Block Severe Duty/Pro Flo Hollow Intake Valves (Set of 8) - 11682H-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $925.59 Now: $694.19 View Details Compare Quick view Manley Performance | sku: MAN11681-8 Manley Chevy LS-1/LS-2 4.923in Pro Flo/Extreme Duty Exhaust Valves (Set of 8) - 11681-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 View Details Compare Previous 14 15 16 17 18 19 20 21 22 23 24 Next Previous 14 15 16 17 18 19 20 21 22 23 24 Next Compare Selected
Quick view Manley Performance | sku: MAN11681-8 Manley Chevy LS-1/LS-2 4.923in Pro Flo/Extreme Duty Exhaust Valves (Set of 8) - 11681-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted... MSRP: $685.44 Now: $514.08 View Details Compare Previous 14 15 16 17 18 19 20 21 22 23 24 Next Previous 14 15 16 17 18 19 20 21 22 23 24 Next Compare Selected