SPOOL RB Spline Driven Billet Oil Pump Gears (for OEM Pump)

This set replaces the standard RB20, RB25, RB26 GTR oil pump gears which are powdered metal. Precision machined from 4340 billet steel, featuring an N1 spec 'wave' profile for higher flow. These gears have been proven under extremely harsh conditions & stress. Billet oil pump gears eliminate the worries of possible oil pump failure, which when happens can cause massive amounts of damage to your engine. Outer gear is 80.85mm