COMP Cams Thumpr Camshaft Hydraulic Flat Tappet Lift 0.512/0.498" Duration 278/296 - 107 LSA 62100012 and LS1 Filter Adapter or

and LS1 Filter Adapter or Filter Mount

Made of 1/2" thick steel

This is the large size version with a 20 degree angle

Fits SU108

COMP Cams Dial Indicators are precision measuring tools with a variety of applications

COMP Cams Thumpr Camshaft Hydraulic Flat Tappet Lift 0.512/0.498" Duration 278/296 - 107 LSA 62100012 and LS1 Filter Adapter orPerformance street with good low end, stock converter ok, needs gears. Choppy thumping idle. 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 model, if that theoretical performance doesn't translate