COMP Cams Thumpr Hydraulic Flat Tappet Camshaft - 107 LSA - Small Block Chevy JB4MD What began as a dream

What began as a dream decades ago has quietly grown to one of the biggest automotive aftermarket manufacturers in the U

Dramatically reduces trailing arm flex

HD Union Sleeve

Drum Backing Plate

15 in Head

COMP Cams Thumpr Hydraulic Flat Tappet Camshaft - 107 LSA - Small Block Chevy JB4MD What began as a dreamHigh performance street, stock converter ok, best with 2000+ converter and gears. Choppy thumping idle. COMP Cams Thumpr 279TH7 Camshaft for Small Block Chevy Product Description: Camshaft Thumpr Hydraulic Flat Tappet Lift 0. 479 0. 465 in Duration 279 297 107 LSA 2000 5800 RPM Small Block Chevy For 30 years, the COMP Cams philosophy has never changed: make the highest performing products possible and lead the industry in technological development.