Moroso 22018 Moroso Chevrolet Small Block/Dart SHP Oil Restrictor Kit w/.060in Orifice Diameter - 2 Pack

Oil Restrictors, Dart SHP SBC, Fits stock lifter bore .843 only

• 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