Oil Restrictor Kit. SBC and BBC engines, .0625" orifice diameter. Screws into existing lifter galley cleaning plug holes at back of block. Two per pack
- Reduces oil flow to upper engine assembly, leaving more oil available for the rod and main bearings
- Reduces power-robbing windage by reducing the volume of oil passing by the rotating assembly on its return to the pan
- Do not use with hydraulic lifters
Part # MOR-22010
