Oil Pump Gear Nissan VQ VHR 3.7L 3.5L Boundary Pumps

Boundary oil pump gears are 100 percent manufactured in our Dallas, Texas production facility. We start by quenching our chromoly billets from extreme heat and then temper it to tough indestructible core. After machining we apply our ColdFlow surface hardening process and complete it to a Mirror Finish.

What does all this give you? It gives you a pump with stability over 9000 RPM, proven in excess of 900whp, with higher efficiency, less friction, and backed by one of the industries best warranty's.
Oil Pump Gear Features

• Mirror Finished and Surface Hardened
• Surface Ground gears for the ultimate in fitment and performance
• Indestructible core
• Inner and outer gear set included
• Unique race inspired gerotor design
• Symmetrical tooth profile elemenates the gears weak spot making our gear sets indestructible
• Each set hand, machine, and hardness inspected with Blueprinting Report