COMP Cams Evolution Retro-Fit Hydraulic Roller Lifter - 0.842 in in OD - Link Bar - Big Block Chevy (Pair) NPT Plugs Kit includes a steel retaining

Kit includes a steel retaining nut

Polished T304 Stainless Exhaust End Cap

Dyno Tuned For Maximum Power

Features 3/16" mic plug and 3/16" mic jack

Zinc Plated / Orange Powder Coat

COMP Cams Evolution Retro-Fit Hydraulic Roller Lifter - 0.842 in in OD - Link Bar - Big Block Chevy (Pair) NPT Plugs Kit includes a steel retainingCOMP 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