DHD's High Pressure Pinned Duramax Oil Pump is an excellent addition to any engine build. DHD shims each pump in-house to produce approx 15-30% more oil pressure safely and dependably. Each pump is pinned to prevent slippage under high RPM and stress.
All of our wet sump high performance engine builds receive one of these upgraded oil pumps before leaving DHD.
Note: Oil pressure readings may vary based on engine configuration, bearing clearances, engine RPM, etc..
To help keep pricing low and ensure an adequate supply, we do require a like kind reusable core. Cores must be returned with drive gear and nut. If you want to avoid paying the core charge, check the box in the menu above and send your core in first!
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