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Ships within 48 hours · Estimated delivery Aug 18 - Aug 23
Pulley outside diameter is 88mm
with M6 bolts
Threaded stud machined from 1045 steel for added strength
Note: These are sold individually
replacing the factory oil cooler housing and factory water/oil heat exchanger on Nissan RB25 engines
Oil Restrictors for Nissan RB Engines 20AN Pulley outside diameter is 88mmOil 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.
