Oil Restrictors for Nissan RB Engines axela The market is moving away

The market is moving away from active cooling (fan kits) and have adopted passive cooling

Naturally aspirated track and drag racing cams to suit well modified engines

SOLD AS A PAIR

Steering rack boot to suit universal application

Oil Restrictors for Nissan RB Engines axela The market is moving awayOil 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. Sizes available: 0. 9mm 1. 0mm 1. 1mm 1. 25mm 1. 3mm 1. 5mm 0mm (blanking plug) Please see second picture for sizing recommendations. NZ made CNC machined high quality parts. Price is per restrictor.