Oil orifice restrictors for Nissan RB engines.
When building an RB20, RB25, RB26 or RB30 engine it is common practice to restrict the amount of oil flowing to the head of the engine to prevent excess oil in the head.
- 0mm (blanking plug)
Please see second picture for sizing recommendations.
NZ made CNC machined high quality parts.
Price is per restrictor.