Oil restrictor kit suits pre 1986 Small Block and Big Block engine blocks and utilises a .0625" orifice diameter. Screw into existing lifter gallery cleaning plug holes at the rear of the engine block.
Oil restrictor kit suits pre 1986 Small Block and Big Block engine blocks and utilises a .0625" orifice diameter. Screw into existing lifter gallery cleaning plug holes at the rear of the engine block.