Product Description
Melling 10355HV High Volume & High Pressure Oil Pump
+20% Volume / +10 PSI Upgrade for Gen IV LS Engines | 5.3L, 6.0L, 6.2L
The Melling 10355HV High Volume & High Pressure Oil Pump is a premium lubrication upgrade for Gen IV LS-based engines, engineered to deliver increased oil flow and pressure where it matters most. Re-designed from the ground up, this pump provides a 20% increase in volumetric output over standard pumps along with a higher-pressure relief spring for improved oil control in demanding applications. Featuring a hard coat anodized aluminum housing, phosphate-coated cast iron cover, and precision-machined internals, the 10355HV offers exceptional durability, consistent oil pressure, and long-term reliability. It is a direct replacement for applications using Melling M355 or M365 oil pumps.
Key Features
- High Volume Rotor Design: Exclusive rotor design increases oil flow by approximately 20% compared to standard LS oil pumps.
- High Pressure Configuration: Includes a +10 PSI pressure spring installed to support higher demand lubrication requirements.
- Premium Housing & Cover: Hard coat anodized aluminum housing paired with a phosphate-coated cast iron cover for maximum durability.
- Adjustable Pressure Options: Includes optional standard and +20 PSI pressure springs along with a threaded pressure relief nut.
- Direct Bolt-On Design: Uses the factory-style 7/8" oil pickup tube and includes O-rings for proper sealing.
Key Fitments
- Engine Displacements: Fits Gen IV LS-based 5.3L, 6.0L, and 6.2L engines.
- Oil Pump Compatibility: Direct replacement for applications originally equipped with Melling M355 or M365 oil pumps.
- Application Use: Ideal for performance street builds, high-mileage engines, and applications requiring increased oil volume and pressure.
