COMP Cams Thumpr Camshaft Hydraulic Flat Tappet Lift 0.506/0.493" Duration 278/296 - 107 LSA 1411 In your choice of Smooth

In your choice of Smooth or Ribbed styles

28 Spline Pinion

for durability in racing or street applications

9/16 in Head

Manufactured from 95-durometer polyurethane

COMP Cams Thumpr Camshaft Hydraulic Flat Tappet Lift 0.506/0.493" Duration 278/296 - 107 LSA 1411 In your choice of SmoothHigh performance street, stock converter ok, best with 2000+ converter and gears. Choppy thumping idle. CamShaft, FF 279T H 107 T THUMPR Fits Ford Big Block 385 Series 429 and 460The 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