OIL PUMP, 78-85 WITH HARDENED GEAR SET—NLA—

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  OIL PUMP, 74-85 12A and 13B 17MM

  

  OEM Oil Pump, 74-85 13B + 12A 17mm.
  This is the pump we used for ALL 12A’s — much better than the original 15mm.

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  ENGINE FRONT COVER, —NLA— OIL PUMP DRIVE -85

  

  ENGINE FRONT COVER, OIL PUMP DRIVE -85

  Sorry, this item has been discontinued by Mazda.

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  OIL RELIEF VALVE, 74-92 STOCK 60LBS

  

  Oil Relief Valve, 74-92 Stock 60lbs

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  FRONT COVER GASKET, ALL ROTARY 74-85 and Some 86-88 (FOR O-Ring type only)

  

  Front Cover Gasket, All Rotary 74-85 and Some 86-88 (For O-Ring type only)
  For 86-92, Do not order without reading FAQ

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  OIL RELIEF VALVE, ADJUSTABLE STREET

  OIL RELIEF VALVE, ADJUSTABLE STREET

  The Racing Beat high performance Rear Oil Pressure Regulator is designed for use on all 1971-1992 12A, 13B, and 20B engines and interchanges exactly with the stock unit. As supplied by Mazda, the factory pressure regulator is intended to bypass at maximum nominal rate of 71.1 PSI. For use on higher performance street applications the Racing Beat regulator can be substituted, which bypasses at a higher maximum nominal rate of 80-85 PSI.

  As a general rule, oil pressure should be increased as the horsepower output and engine RPM increases. As horsepower and RPM demands increase, it is beneficial to have higher oil pressure between the shaft and bearings to prevent possible catastrophic contact between spinning components. Additionally, as oil pressure is increased, flow rate also increases – hence, more oil is available to cool the bearings and rotors.

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  11810

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  OIL PUMP LOCK WASHER

  

  Oil Pump Lock Washer

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  $3.38
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