Manley Race Master Intake Valve - 2.250 in Head - 0.342 in Valve Stem - 5.344 in Long - Big Block Chevy H759C02M The DiabloSport Sprint Module allows

The DiabloSport Sprint Module allows for maximum power and vehicle performance by disabling the factory Active Fuel Management (AFM) feature that drops cylinders and reduces power

2-hour installation time

LSR 231/239 HRlrLSThe COMP Cams philosophy has never changed: make the highest performing products possible and lead the industry in technological development

bell housings and more

End seals are not included

Manley Race Master Intake Valve - 2.250 in Head - 0.342 in Valve Stem - 5.344 in Long - Big Block Chevy H759C02M The DiabloSport Sprint Module allowsProduct Description: Intake Valve Race Master 2. 250 in Head 0. 342 in Valve Stem 5. 344 in Long Stainless Big Block Chevy Sold Individually Manley Performance high performance and racing engine parts have been powering winners since 1966. Since our inception in March 1966, Manley Performance Products has been at the forefront of the high performance automotive industry. Founded by gearhead Hank Manley shortly after his graduation from Brown