Boundary Pump Assembly Ford Mazda BP 1.6L 89-91.5 Escort Small Nose Crank High Flow Billet Oil Pump

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. • Everything the stage I pump has plus • Larger gears are fitted into the oil pump which increases mid range protection and insures compatibility with VVT. • The pump is shimmed increasing maximum warm pressure from 60 PSI to 70 PSI. Part Number BP-S2-SNC fits: • MIATA 1989-1991.5 SHORT NOSE CRANK \ SMALL NOSE CRANK (SNC) 36MM SNOUT DIAMETER