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Boundary Stage 1 Miata BP Standard Flow Oil Pump

Miata Oil Pump

Boundary Engineering Stage One oil pumps utilize a factory OEM Mazda Oil Pump housing, and have their billet gear set pre-assembled inside in order to strengthen the pump, making it a drop-in replacement upgrade.
  • All parts under go ultrasonic, air blast, and hand inspection
  • Gear set is cut in house from 4140 chromoly steel billet
  • Parts are blue printed and issued with specification sheet
  • Also fits Ford's equipped with BP engine
  • Shipping: In-Stock Items ship USPS unless noted otherwise
    Pricing: $299.00
    Free U.S. Over $150


    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. The gears match the specification of a 91.5-00 oil pump housing.
  • Shatterproof stock replacement gear sets
  • Machined from hardened 4140 Chromoly Billets
  • Each unit inspected electronically and by hand
  • Machine de-burred and touch up de-bur by hand
  • Individually numbered and logged into our database
  • Details

    Shipping Information

    • Item Requires Shipping
    • 8.0 lbs.
    • W8.0000” x H6.0000” x L14.0000”
    • Free U.S. Over $150
    • In-Stock Items ship USPS unless noted otherwise

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