Boundary Racing Pump - Oil Pump W/Billet Gear Subaru All Ej Engines

The Boundary Racing Pump Oil Pump w/Billet Gear is engineered for Subaru EJ-Series engines, featuring a robust 12mm gearset for enhanced performance and longevity. Each pump undergoes meticulous disassembly, ultrasonic cleaning, air blasting, and thorough hand inspection. Hand deburring eliminates imperfections, while the mirror-finished gear set ensures superior efficiency. The dual-stage heat-treated Revolution Series shark tooth gerotor increases reliability. Stainless Torx head fasteners with Loctite application prevent loosening. Anaerobic sealant boosts pressure and minimizes aeration. Assembly lubricant on critical surfaces ensures swift oil flow during startup. Each part is blueprinted and includes a specification sheet. Optional shims are available to increase pressure by +10 PSI or +20 PSI. Compatible with various Subaru models, including Impreza WRX/STI, Forester XT, Legacy GT/Outback XT, BRZ (with applicable engine swaps), and XV Crosstrek (with applicable engine swaps). ([boundarypumps.com](https://boundarypumps.com/shop/subaru/ej/ej-oil-pump-assembly/?utm_source=openai))