Oil Restrictor Kit; Do Not Use w/Hydraulic Lifters; Screws Into Existing Lifter Gallery Cleaning Plug Holes At Back Of Block; .60 in. Orifice Dia.; 2 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
California Proposition 65 Warning: Cancer and reproductive harm. See www.P65Warnings.ca.gov.