Boundary 91.5-05 Ford/Mazda BP (All Types) I4 Billet Back Plate

Boundary 91.5-05 Ford/Mazda BP (All Types) I4 Billet Back Plate

$270.64 CAD

Boundary SKU: BP-BBP

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Description Availability

BP-BBP

Our Billet back plates use advanced CFD simulation and exacting 3D precision milling to create a blend of engineering and manufacturing that produces less leak by, less aeration, less cavitation, and more high RPM flow. 

  • Plate is cut from billet steel, 5 times as rigid as aluminum, reducing blow by and air ingestion

  • Plates feature our MartenWear surfaces for long life

  • Increased volume and reduced foam increases engine bearing life

  • Utilizes surface grinding to create the ultimate pump seal

Part Number: BP-BBP FITS:

  1. MIATA 1991.5-2005

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