Chevy V8 Oil Restrictor Kit
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Available for either roller or solid lifter cams. Reduces oil flow to upper end of engine (lifters, pushrods, rockers, springs). As a result, it increases percentage of oil directed to bearings. Restrictors screw into the two lifter lube holes in the back of the engine, replacing the two stock pipe plugs.
Designed for use with solid flat tappet or roller lifter cams. Fits both S/B and B/B Chevy.
Note: NOT for use with hydraulic lifters.