COMP Cams Thumpr Hydraulic Roller - Camshaft - Lift 0.557/0.539 in - Duration 283/303 - 107 LSA - 1900/5600 RPM - Big Block Ford Main Cap Stud Kit 1975-1986 Chevrolet G10

1975-1986 Chevrolet G10

Covered Housing Only

Displayed value on the LCD screen rotates to right side up when digital level is in an upside down position

1976-1977 Plymouth Volare

Battery Cable Kit

COMP Cams Thumpr Hydraulic Roller - Camshaft - Lift 0.557/0.539 in - Duration 283/303 - 107 LSA - 1900/5600 RPM - Big Block Ford Main Cap Stud Kit 1975-1986 Chevrolet G10Product 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