Manley Chevrolet Big Block 2.300 Head, .3415 Stem, .350 Longer Severe Duty Valves (Set of 8) carbon fiber hood Dyno tested to 874rwhp

Dyno tested to 874rwhp

6266307 is a 6-pad spring-centered race discs made with high quality ceramic friction materials

Manufacturer Part # : 3020-42022

45-percent less pressure drop than stock hot-side pipe

Sprung (Street) Clutch Kit for Acura TL 2004-2006 3

Manley Chevrolet Big Block 2.300 Head, .3415 Stem, .350 Longer Severe Duty Valves (Set of 8) carbon fiber hood Dyno tested to 874rwhpManufacturer Part # : 11878 8 Market Description 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), offering unmatched tensile strength compared to competitive alloys. In fatigue testing at 40,000 psi and 1400F, Manley exhaust valves endured 100 million