Engine Kits

Moroso Oil Restrictor Kits

Moroso Oil Restrictor Kits to fit Big Block and Small Block Chevrolet engines.

  • 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

  • This product is in the following categories:

    HomeEngine PartsOil pumps, Screens, Shafts



    Part #: 22000

    Big Block and Small Block Chevy Oil Restrictor kits .060" Diameter
    Price: $6.19

    Part #: 22010

    Small Block and Big Block Chevy engines, .0625" orifice diameter. Screws into existing lifter gallery cleaning plug holes at back of block. 2 per package
    Price: $12.84