COMP Cams Evolution Retro-Fit Hydraulic Roller Lifter - 0.842 in in OD - Link Bar - Big Block Chevy (Pair) PTT-MC-VM Moderate Sound

Moderate Sound

813" with a full 1

aluminum washers work with most body bolts to increase the surface area

The adjustable geometry of the linkage kit is also specifically engineered to ensure proper wide open throttle actuation

COMP Cams Evolution Retro-Fit Hydraulic Roller Lifter - 0.842 in in OD - Link Bar - Big Block Chevy (Pair) PTT-MC-VM Moderate SoundCOMP Cams Evolution HCT (Hydraulic Cartridge Technology) is a new patented tappet. The Evolution HCT tappet provides most consistent performance of any set of lifters in the aftermarket. A combination of self contained hydraulic cartridge and accompanying reduced oil volume that is less effected by oil aeration delivers the most consistent bleed rates between each lifter. The smaller volume within the hydraulic cartridge creates one of the most