Supertec Racing Spline kits for Nissan RB and Toyoya UZ-FE engines. Spline drive engagement provides full 360 degree rotational support and prevents breaking of the inner gear as is so often found with the factory flat drive setup. Gear and collars are made of billet steel (41CR4) featuring wave tooth design for optimal flow.
High Flow Spline Drive Gear Set for Nissan RB26 77mm N1 and Nismo oil pump. This kit features thicker inner and outer gears +2mm resulting in an increased surface area for greater flow - 47L@6000rpm to 53.5L@6000rpm - an increase of approx 13.8%.
4 piece setup consisting of inner and outer billet gears, splined collar and billet backing plate. Supplied with high tensile hex screws and head/block oil restrictor - 1.28mm
* Highly advisable to increase sump oil capacity by at least 2 litres minimum.