COMP Cams 857-2 Lifters, Hydraulic roller, Oldsmobile, Pontiac, Pair
Pontiac V8, Oldsmobile V8, Hydraulic Roller Lifter Type, Vertical Link Bar
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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.
Application1955-81 Pontiac 265-455
1964-84 Oldsmobile 307-455
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Q & A
What happens when you advance or retard a camshaft? In this tech article, we explain the pros and cons of installing your cam straight up, advancing or retarding.
Learn the basics to engine performance like; how does a cam work? What is Valve lift, duration, lobe separation angle, and cam profiles? Afterwords selecting the right camshaft will be less of a guessing game!