One of the biggest problems with the Rb engine is the engagement between the crank collar and the oil pump gear. So we have come up with a design to fix this problem and to insure maximum engagement between the two.
Precision machined from EN26 billet steel, featuring an N1 spec ‘wave’ profile for higher flow.
- Spline collar
- Inner gear
- Outer gear
Please note: there is two different size oil pump gear's