Boundary Pumps
Select Your Vehicle
Unleash the power of your Subaru with our top-tier EJ-S2 billet pump: Engineered with a robust 12MM gearset for enhanced performance and longevity.Every billet pump we build goes through an extensive quality process to ensure it meets the highest standards:We commence with a meticulous disassembly, followed by ultrasonic cleaning, air blasting, and a thorough hand inspection.Hand deburring eliminates any potential imperfections for seamless operation.Our industry-leading mirror-finished gear set is integrated for superior efficiency.<br />Experience increased pump reliability with our dual-stage heat-treated Revolution Series shark tooth gerotor.<br />As a testament to our commitment to quality, we replace the standard fasteners with Stainless Torx heads, and apply Loctite to them, providing additional security against loosening or backing out.Boost your pump's efficiency with our specially applied anaerobic sealant, designed to increase pressure and minimize aeration.<br />Assembly lubricant on all critical surfaces ensures oil flows swiftly from the get-go, protecting your engine components during startup.<br />Each of our parts is meticulously blueprinted and comes with a specification sheet, offering you complete transparency and trust in our process.Want more pressure? We offer shims: one shim adds +10 PSI and two adds +20 PSI.<br />Upgrade your Subaru today with our EJ-S2 and feel the difference in performance and reliability.Product Number: EJ-S2Applications:Subaru Impreza WRX/STI (including different generations and trim levels)Subaru Forester XT (turbocharged models)Subaru Legacy GT/Outback XT (turbocharged models)Subaru BRZ (with applicable engine swaps)Subaru XV Crosstrek (with applicable engine swaps)
P311-0B25C62 EJ-S2 Boundary Pumps New
This product is not application specific
This is a general purpose item, or a universal product, or requires additional fitment checks for your vehicle, outside of year, make, and model.
P311-2380E14 RB26N1-OPG Boundary Pumps New
This product is not application specific
This is a general purpose item, or a universal product, or requires additional fitment checks for your vehicle, outside of year, make, and model.
P311-412E200 VQ-OPG-DE Boundary Pumps New
This product is not application specific
This is a general purpose item, or a universal product, or requires additional fitment checks for your vehicle, outside of year, make, and model.
P311-0F95BD0 CM-PT Boundary Pumps New
This product is not application specific
This is a general purpose item, or a universal product, or requires additional fitment checks for your vehicle, outside of year, make, and model.
P311-290B498 2ZZGE-OPG Boundary Pumps New
This product is not application specific
This is a general purpose item, or a universal product, or requires additional fitment checks for your vehicle, outside of year, make, and model.
P311-51A4C09 H22-OPG Boundary Pumps New
This product is not application specific
This is a general purpose item, or a universal product, or requires additional fitment checks for your vehicle, outside of year, make, and model.
P311-353631B LS-S1 Boundary Pumps New
This product is not application specific
This is a general purpose item, or a universal product, or requires additional fitment checks for your vehicle, outside of year, make, and model.
P311-0248996 VQ-OPG-VHR Boundary Pumps New
This product is not application specific
This is a general purpose item, or a universal product, or requires additional fitment checks for your vehicle, outside of year, make, and model.
P311-0D13FC0 BA-OPG Boundary Pumps New
This product is not application specific
This is a general purpose item, or a universal product, or requires additional fitment checks for your vehicle, outside of year, make, and model.
P311-19DB8FC CM-OPG-F150 Boundary Pumps New
This product is not application specific
This is a general purpose item, or a universal product, or requires additional fitment checks for your vehicle, outside of year, make, and model.
