COMP Cams Thumpr Camshaft Hydraulic Flat Tappet Lift 0.491/0.476" Duration 278/296 - 107 LSA Mounting Solutions and blue (yellow available but

and blue (yellow available but not with matched boots)

6 in Base Diameter

Impact’s helmet shields feature superior dimensional stability

carbureted or EFI

COMP Cams Thumpr Camshaft Hydraulic Flat Tappet Lift 0.491/0.476" Duration 278/296 - 107 LSA Mounting Solutions and blue (yellow available butHigh performance street, stock converter ok, best with 2000+ converter and gears. Choppy thumping idle. CamShaft, OL 279T H 107 T THUMPR Fits 1967+ Oldsmobile 260, 307, 350, 403, 400, 425 and 455 V8The 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