Comp Cams 853-16 - Retro-Fit Hydraulic Roller Lifter

The roller wheel decreases friction and increases longevity when compared to flat tappet lifters. Hydraulic roller lifters can handle much more aggressive cam profiles than flat tappets unlocking performance potential.Features. Patented constant orifice metering valve. Eliminates excessive oiling at high speeds. Heat treated for strength and wear resistance. Longer piston than conventional lifters. Light weight check valve. Increased engine speed. Make - ChevroletGMC. Year - 1996.