COMP Cams Thumpr Hydraulic Roller - Camshaft - Lift 0.557/0.539 in - Duration 283/303 - 107 LSA - 1900/5600 RPM - Big Block Ford 3550224-123 Engineered specifically to provide Precision

Engineered specifically to provide Precision Shifts for the Aisin AX-5 Transmissions

With products for circle track

Unit requires a 5" O

1975-1990 Chevrolet G10

COMP Cams Thumpr Hydraulic Roller - Camshaft - Lift 0.557/0.539 in - Duration 283/303 - 107 LSA - 1900/5600 RPM - Big Block Ford 3550224-123 Engineered specifically to provide PrecisionProduct Description: Camshaft Thumpr Hydraulic Roller Lift 0. 557 0. 539 in Duration 283 303 107 LSA 1900 5600 RPM Big Block Ford Sold Individually The COMP Cams philosophy has never changed: make the highest performing products possible and lead the industry in technological development. One thing COMP Cams has never forgotten: Performance is defined by what happens out on the race track. Because no matter what happens on a dyno or in a computer