Protect your high-RPM or boosted engine build with the Boundary Stage 2 High-Flow Billet Oil Pump for Mazda Miata 1.8L BP engines. Precision-machined to house larger 4140 chromoly steel billet gears, this pump delivers significantly higher flow and increased mid-range oil pressure compared to factory units. Pre-shimmed to increase maximum warm oil pressure from 60 PSI to 70 PSI (72 PSI max), making it an essential performance upgrade for high-stress track applications, turbo setups, and VVT engines.
Key Features:
Stage 2 high-flow design with deeper pocket and larger billet chromoly gears
Pre-assembled and shimmed for elevated warm oil pressure (70–72 PSI)
Compatible with 1991.5–2005 Mazda Miata 1.8L BP engines (including VVT models)
High-strength housing with stamped serial number and authentic Boundary branding
Condition: Brand New (Unused in sealed original packaging)











