Oil Restrictors, Dart SHP, (SBC Based), .060" Orifice Dia. Oil Delivery Holes at Rear Cam Bearing Must be Tapped to Install. 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
California Proposition 65 Warning: Cancer and reproductive harm. See www.P65Warnings.ca.gov.