Manley Chevy Small Block 2.055in Dia Street Master Intake Valves (Set of 8) - 10756-8

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.

Manley Chevy Small Block 2.080 Head Dia. .100 Longer .3415 Stem Severe Duty Intake Valves (8 pcs) - 11844-8

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),...

Manley Chevy Small Block LS3/L99 (L92 Head) 1.6in Head Dia. Severe Duty Exhaust Valves (Set of 8) - 12355-8

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),...

Manley Chevy Small Block LS3/L99 (L92 Head) 2.165in Head Diameter Race Flo Intake Valves (Set of 8) - 12350-8

Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM

Manley Chevy Small Block Severe Duty Valves (Set of 8) - 11231-8

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),...

Manley Chevy Small Block Severe Duty Valves (Set of 8) - 11712-8

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),...

Manley Chevy Small Block Severe Duty Valves 2.020in. Head Dia. / 5.010in. OA L (Set of 8) - 11232-8

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),...

Manley Chevy Small Block Stock Dia 4.951 OA L Dish Race Masters Exhaust Valves (Set of 8) - 11863-8

Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM

Manley Chevy Small Block Stock Height Race Flo Exhaust Valves (Set of 8) - 11565-8

Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM

Manley Chrysler 340intake Valve Kit - 2.020in Head Dia. 5.050in O/A Length, 0.3720in Stem - 11550-8

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),...

Manley Chrysler 340intake Valve Kit - 2.020in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11702-8

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),...

Manley Chrysler 361 Exhaust Valve Kit - 1.600in Head Dia. 5.075in O/A Length, 0.3715in Stem - 11549-8

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),...