Boundary Engineering Assembled Oil Pump for Mazda MX-5
Boundary Assembled ULTIMATE ENDURANCE Oil Pump with Billet Gears VVT
£533.33 ex VAT Add to basket

Boundary Assembled ULTIMATE ENDURANCE Oil Pump with Billet Gears VVT

£533.33 ex VAT

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1 in stock

The Miata Stage III pump is the pinnacle of 15 years of research and development. It utilizes the largest volume flow pump available, 10% larger then the VVT and adds a steel sleeved relief valve, anti-cavitation billet back plate and ported and enlarged pickup tube. These pumps have been tested to 10000 RPM and over 900 WHP. Zoom-zoom with confidence.

  1. Everything the stage 2 pump has plus
  2. Steel sleeved relief valve
  3. Ported and enlarged pickup tube port
  4. Anti-Cavitation billet back plate
  5. Shimming available to 96 PSI

A must have upgrade for any MX5 looking to run either a higher rev limiter, or higher power. A good rule of thumb is anything over 300 horsepower you really should be looking at these gears. Shock loading causing by boost cut or RPM limit can shatter the OEM sintered oil pump gears causing complete engine failure.

Consider it pretty required insurance if you’ve just built a forged engine with new pistons, rods, bearings – you wouldnt want all that to be ruined by an oil pump failure.

The sintered gears inside of a stock oil pump assembly only rates to about 6KSI of stress before shattering. These gears provide a serious structural upgrade to 90Ksi steel.

Additional information

Weight 1.4 kg
Dimensions 27 × 16 × 9 cm

Boundary Engineering


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Make Model Year
Mazda MX-5 2001 - 2005