Boundary Engineering
Boundary Engineering VQHR VHR High Flow Billet Oil Pump Assembly
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Boundary Engineering VQHR VHR High Flow Billet Oil Pump Assembly
Description:
The VQ VHR oil pump starts with the Nissan OEM housing, but is assembled with our mirror finished billet oil pump gear. This pump also and comes with the option for a high flow billet backplate for those running over 7000 RPM consistently. This pump has been validated in multiple extreme horsepower naturally aspirated and turbocharged applications. It has been used in the world record holding naturally aspirated 1/4 mile car of Darren Suratt’s at 8000 RPM, and in a 8500 RPM 900WHP supercharged VHR.
This unit also comes with a preference of relief valve settings for high RPM pressure.
All assembled billet pumps undergo the following:
- Pump is completely taken apart, all parts under go ultrasonic cleaning, air blast, and hand inspection.
- Pump is hand de-burred.
- Our industry leading mirror finished gear set is used
- Stainless Torx heads replace the stock fasteners
- All fasteners are torqued to spec
- Loctite applied to fasteners to prevent back out or loosening
- Anaerobic sealant applied to critical areas to boost pump up speed and reduce aeration.
- Assembly lubricant applied to all critical surfaces to get oil flowing fast on startup
- Parts are blue printed and issued with specification sheet.
Shims:
- 1 Shim +10 PSI
- 2 Shim +20 PSI
- 3 Shim +30 PSI
Fitment:
- Nissan 350z 2007-2008
- Nissan 370z 2009 – 2020
- Infiniti G37/Q40/Q50 (VHR equiped) 2009 – 2016
- Nissan 2007-2008 Skyline
- Infiniti G35 (HR equipped) 2007-2008
Boundary Engineering strives to provide custom, hand built oil pumps to survive the most punishing racing conditions.
Founded
Boundary was founded in 2003 and specialized in producing various metal goods for the automotive racing industry. As early as 2004 we began researching and understanding the complexities of manufacturing gear pumps commonly used in the automotive racing industry. In 2005 we launched our first gear products. Since then, we’ve sold thousands of high quality pumps. Our units are proudly used in engines producing up to 550hp/L with nothing but success.
Cutting Edge Technology
Boundary delivers cutting edge technology by using state of the art CNC milling and turning equipment for our products. Our high end, American made machining centers along with expert personnel, provide the accuracy required for inter-meshing gear pumps to function.
American Made
Boundary oil pump assemblies are manufactured in our in house facilities in Dallas, TX. It is this in house capability which gives us the consistency and quality that can’t be had elsewhere.
Increasing Focus
Our company focuses solely on lubrication systems. Unlike other manufacturers who “specialize” in a thousand things we specialize in one. Providing the most high quality lubrication equipment possible for your high performance needs.
Other Boundary Engineering Products available for any chassis/engine - if you dont see what you’re looking for please message us directly.
We shop our competition - if you find a lower comprable price we will match or beat it - message for details!
PROPOSITION 65 WARNING: These products may contain chemicals known to the State of California to cause birth defects or other reproductive harm. For more information visit www.P65Warning.ca.gov
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