Oil Restrictor Kit. Ford 351 Cleveland, designed and used by Roush-Fenway Racing. Five per pack.
Features
- 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
- Orifice Size:
- .0600 in.
- Thread Size:
- 5/16 in.-18
- Quantity:
- Sold as a set of 5.