Melling M452HV-425S Features:

Made in USA. Melling high volume oil pumps increase the amount of oil flow by an average of 12% through the engine improving oil pressure at idle providing dependable performance every time in every application. Every Melling high volume oil pump is engineered and assembled to the highest production standards from high quality materials. All Melling high volume oil pumps use the latest in gear and gerotor technology to provide the highest level of quality and performance. High volume gears are machined to close tolerances to ensure proper engine pressure and correct, efficient pump operation. End plates are precision ground for maximum wear resistance. Every Melling oil pump is individually tested for pressure and flow under conditions designed to duplicate actual engine operating conditions.

• Precision engineered for optimum fit and function
• Manufactured from high quality materials for consistent durable wear
• Designed for long-life and worry-free performance
• Meets or exceeds original equipment specifications
• Melling oil pumps are tested for pressure and flow under operating conditions to ensure quality
• High volume oil pump supplies additional oil to engines when necessary for high performance applications or low oil pressure issues
• Width: 7.500 in.
• Height: 5.400 in.
• Gasket Or Seal Included: Yes
• Mounting Hole Quantity: 4
• Housing Material: Aluminum
• Drive Type: Crankshaft
• Mounting Hole Diameter: 0.375 in.
• Grade Type: Improved Design
• Rotor Material: Steel
• Oil Pump Type: Rotary
• Pickup Screen Diameter: 2.500 in.
• Pickup Tube Diameter: 0.950 in.
• Solenoid Included: No
• Adjustable Bypass Pressure: No
• Additional Cover Shaft Support: No
• Alternate Pressure Springs Included: No
• Anti-Cavitation: No
• Adjustable Pickup Screen: No
• Oil Pump Pressure Type: Standard Pressure
• Oil Pump Volume Type: High Volume
• Additional Volume Over Stock Percentage: 12
• Bolts Included: No
• Bushing Included: No
• Cotter Pin Included: No
• Cover Material: Cast Iron
• Finish: Rust Preventative
• Gears Included: Not Applicable
• Governor Spinner Included: No
• Guide Included: Not Applicable
• Inlet Size (in): 0.950
• Intermediate Shaft Included: Not Applicable
• Nylon Bushing Included: No
• O-Ring Included: Yes
• Pickup Screen Included: Yes
• Pump Cover Included: Yes
• Shaft Material: Not Applicable
• Spacer Included: No
• Timing Cover Included: No
• Washers Included: No