Manley SBC 1.880 Severe Duty Intake Valves (Set of 8) - 11737-8

Ideal for Specialized Applications: Tailored for any application where extreme force and heat resistance is a must including Top Fuel, Funny Car, and Marine Engine applications.XH-432 XtremeAlloy:...

Manley SBC 2.080 Severe Duty Intake Valves (Set of 8) - 11736-8

Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,...

Manley Race Master Series Big Block Chevy Stainless Steel 2.30in Intake Valves - Set of 8 - 11726-8

Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems...

Manley Big Block Chevy 1.880 Dia (+.100 L) Race Master Intake Valves (Set of 8) - 11719-8

Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems...

Manley Big Block Chevy 1.880 Dia Race Master Intake Valves (Set of 8) - 11717-8

Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems...

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

Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,...

Manley Small Block Chevy 1.600 Dia +.400 Installed Height Extreme Alloy Exhaust Valve (Single Valve) - 11711-1

Ideal for Specialized Applications: Tailored for any application where extreme force and heat resistance is a must including Top Fuel, Funny Car, and Marine Engine applications.XH-432 XtremeAlloy:...

Manley Small Block Chevrolet 1.600 Diameter .300 Longer Extreme Duty Exhaust Valves - Set of 8 - 11709-8

Ideal for Specialized Applications: Tailored for any application where extreme force and heat resistance is a must including Top Fuel, Funny Car, and Marine Engine applications.XH-432 XtremeAlloy:...

Manley Extreme Duty Stainless Steel Exhaust Valves Small Block Chevy V8 1.600 - Set of 8 - 11705-8

Ideal for Specialized Applications: Tailored for any application where extreme force and heat resistance is a must including Top Fuel, Funny Car, and Marine Engine applications.XH-432 XtremeAlloy:...

Manley Severe Duty Stainless Steel Exhaust Valves Chrysler V8 1.600 - Set of 8 - 11703-8

Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems...

Manley Extreme Duty Stainless Steel Exhaust Valves 1.600, +.100 - Set of 8 - 11701-8

Ideal for Specialized Applications: Tailored for any application where extreme force and heat resistance is a must including Top Fuel, Funny Car, and Marine Engine applications.XH-432 XtremeAlloy:...

Manley Small Block Chevrolet 2.055 Diameter .200 Longer Severe Duty Intake Valves - Set of 8 - 11700-8

Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat,...