Oil pump Mazda BP (all) 91.5-05 model high flow
Boundary Oil pump Ford/Mazda BP ALL TYPES 91.5-05 high flow BP-S2
Boundary focuses on providing the highest quality lubrication systems possible for the automotive industry.
Stage II Boundary 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.
The Stage II Boundary Pumps have these additional modifications:
All assembled Boundary Billet Pumps undergo the following:
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