Boundary Engineering Assembled Oil Pump for Mazda MX-5
Boundary Assembled HIGH FLOW Oil Pump with Billet Gears Short Nose 1.6
£458.00 inc. VAT Add to basket

Boundary Assembled HIGH FLOW Oil Pump with Billet Gears Short Nose 1.6

£458.00 inc. VAT

Keep your engine alive, even spinning to the moon

2 in stock

Boundary Assembled HIGH FLOW Oil Pump with Billet Gears Short Nose 1.6

This pump is suitable for the short nose 1989 – 1991 and is considered an upgrade for those engines.

Stage II pumps increase the overall flow by machining a deeper pocket into the oil pump and fitting larger gears in this pocket. This increases the strength of the pump, increases mid-range oil pressure, and increases the strength of the oil pump gears.

  1. Everything the stage I pump has plus
  2. Larger gears are fitted into the oil pump which increases mid range protection
  3. The pump is shimmed increasing maximum warm pressure from 60 PSI to 70 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 wouldn’t want all that to be ruined by an oil pump failure.

The sintered gears inside of a stock oil pump assembly is only rated to about 60 PSI of stress before shattering. These gears provide a serious structural upgrade to 90Ksi steel.

Additional information

Weight1.4 kg
Dimensions27 × 16 × 9 cm
Brand

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Make Model Year
Mazda MX-5 1989 - 1991