Nissan RB26 N1 Oil Pump Gear Set - Boundary Racing Pumps 1984 - 1996 S13 no springs and no diaphragms

no springs and no diaphragms means full electronic control via a servo motor and Turbosmart’s zero-backdrive gearbox which results in lower current demands as well as operation stability against huge drive pressures

- Laser cut from 5mm thick 4130 Chromoly sheet and zinc coated for longevity- Includes 4x replacement M6x20mm bolts

For race bikes fitted with high performance 4-stroke engines

the Smart Ports unique lightweight piston is made from aerospace alloy with a military-spec coating

Dim Green - KnockLink is adapting to the engine's noise profile and listening for knock

Nissan RB26 N1 Oil Pump Gear Set - Boundary Racing Pumps 1984 - 1996 S13 no springs and no diaphragmsThe RB26N1 OPG throws away the weak asymmetrical rotor design and replaces it with Boundarys own race inspired symmetrical gear pattern. It is designed to be tighter sealing and created to be a higher volume so it will have a slight uptick in idle pressure and mid range pressure up to the relief valve limit. It also has the designed crankshaft interface which reduces wear on the crank surfaces and eliminates the need for a crank spline drives. This is