Made in USA. Melling high performance oil pumps provide dependable performance every time in every application under the toughest RPM conditions. The Melling 10452 high performance oil pump is a standard volume upgrade. The 10452 features an anodized hard coated aluminum body and cast iron phosphate coated cover for improved pump performance and durability. Adjustable by-pass pressure using optional springs which are included. The relief valve has a pressure threaded plug instead of a cup plug. The oil pump screen o-ring is included. Every Melling high performance oil pump is individually tested for pressure and flow under actual engine operating conditions.

Product Features:

• Adjustable by-pass pressure using installed higher pressure relief spring +10 or optional lower pressure relief spring.
• Standard volume high pressure performance upgrade of the M452 and M462
• Uses 1" diameter bolt on screen.
• Billet Steel Rotor
• Hard coat anodized body with a cast iron phoshate coated cover.
• Includes O-Ring For Oil Pickup Tube Assembly
• Cast Aluminum Housing