COMP Cams Evolution Retro-Fit Hydraulic Roller Lifter - 0.842 in in OD - Link Bar - Big Block Chevy (Pair) PTT-MC-VM The adjustable geometry of the

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

18 oz Bottle

Polished To A Mirror Finish

500" spacer

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

COMP Cams Evolution Retro-Fit Hydraulic Roller Lifter - 0.842 in in OD - Link Bar - Big Block Chevy (Pair) PTT-MC-VM The adjustable geometry of theCOMP 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