MELLING
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MELLING 10551 Specifications
Additional Cover Shaft SupportNo
Additional Volume Over Stock Percentage25%
Adjustable Bypass PressureYes
Alternate Pressure Springs IncludedYes
Anti CavitationNo
Drive Shaft IncludedYes
Drive TypeDrive Shaft
Gasket or Seal IncludedNo
Gear MaterialBillet Steel
Gear TypeSpur Gear
Grade TypePerformance
Height4.50 In.
Height115.0 MM
Housing FinishPhosphate Coat
Housing MaterialCast Iron
Mounting Hole Diameter0.24 In.
Mounting Hole Diameter6.05 mm
Mounting Hole Quantity2
Oil Pump Pressure TypeHigh Pressure
Oil Pump TypeGear
Oil Pump Volume TypeHigh Volume
Pick Up Tube Diameter0.75 in.
Pick Up Tube Diameter19.05 mm
TitleHigh Performance Oil Pump
Width3.27 In.
Width83.22 mm
High Performance; 25% Higher Volume; Standard Billet Steel Spur Gears; Includes Chrome Moly Steel Intermediate Drive Shaft w/ Steel Guide; Includes Lower Pressure Spring (Not Installed); No Warranty
Melling is a leader in engineering design, development, prototype, testing and assembly of fluid delivery products and related items for the automotive OEM industry as well as the aftermarket industry. In addition to being a leading manufacturer of aftermarket oil pumps, they also offer camshafts, timing components, valve train, cylinder sleeves, expansion plugs, and tools for the engine building industry.

Features & Benefits:
  • High volume performance upgrade for M155HV.
  • 25% increase in volume over stock oil pump.
  • The 10551 housing and cover are CNC machined and phosphate coated.
  • The lower pressure spring is included to reduce pressure if desired.
  • Includes intermediate shaft with steel guide. Uses 3/4” press in screen.
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Warranty Information:
No Warranty
Warranty Details