COMP Cams 900-16 - Lifter, CB Gen VI 8.1 OE HYD RLR Full Travel

COMP Cams Hydraulic Roller Lifters for Big Block Chevy Gen VI and 8.1L Engines Originally Equipped with Hydraulic Roller Cam, 1996-Present COMP Cams Hydraulic Roller Lifters are a performance upgrade for stock Hydraulic Roller lifters or retro-fit Hydraulic Roller lifters for non-roller blocks. 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. .842? diameter; 121g weight; 2.66? seat height; Performance replacement for stock Hydraulic Roller lifters or retro-fit Hydraulic Roller lifters for non-roller blocks; Decrease friction and increase longevity when directly compared to flat tappet lifters; Accept much more aggressive cam profiles than flat tappet lifters will allow;