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
NOTE: Customers will be responsible for providing their own OEM crank seal before installing.