Melling high performance oil pumps provide dependable performance every time in every application under the toughest RPM conditions. High volume performance upgrade for the M-99HV-S. The 10990 is a big block style oil pump made to fit the small block appl
Product Features:- 25% Higher volume anti-cavitation high performance upgrade of the M-99HVS
- CNC machined phosphate coated cast iron housing and cover
- Cover has extended idler shafts for additional support at high RPM's
- Standard billet steel spur gears
- Adjustable pressure relief valve
- Includes lower pressure spring; not installed
- Includes chrome moly steel intermediate drive shaft with steel guide
- Uses 3/4 inch diameter press-fit screen