25% Higher Volume High Performance Oil Pump
10 PSI Higher Pressure Relief Spring Installed
Exclusive Billet Steel Shark Tooth Helical Pump Gears
Drive & Idler Shafts Extended Into Cover
Includes 12550 Chrome Moly Steel Intermediate Shaft With Steel Guide
Threaded Pressure Relief Nut
Includes Optional Pressure Springs (-10 PSI And +10 PSI)
Uses 3/4 Inch Diameter Press-Fit Or Bolt-On Pickup Tube Assembly (Not Included)
Includes Oil Pump Pickup Tube Gasket, Assembly Bolts, And Wrench
10555ST High Performance, High Volume, High Pressure, Billet Steel Oil Pump With Gasket
Performance
Product Attributes:
Oil Pump Pressure Type:High Pressure
Additional Volume Over Stock Percentage:25%
Adjustable Bypass Pressure:Yes
Alternate Pressure Springs Included:Yes
Grade Type:Performance
Mounting Hole Diameter:
0.240
6.00
Anti-Cavitation:No
Manufactured For:Gm Sbc
Screen Information:3/4" Bolt On/press In
Mounting Hole Quantity:2
Upgrade for Pump Number:N/a
Additional Cover Shaft Support:Yes
Gear Material:Billet Steel
Oil Pump Volume Type:High Volume
Manufactured Pressure:(pink) 70 Psi
Optional Spring Pressure 1:(yellow) 58 Psi
Gasket Or Seal Included:Yes
Gear Type:Shark Tooth Helical Gear
Optional Spring Pressure 2:(green) 80 Psi
Drive Shaft Included:Yes
Drive Type:Drive Shaft
Pickup Tube Diameter:
0.750
19.00
Oil Pump Type:Gear
Features:
Extended drive and idler shaft for additional support in the cover eliminating dynamic shfaft deflection at increased RPM levels.
Features billet steel "Shark Tooth" helical gears.
Relief hole in cover uses screw in plug instead of pressed cup plug.
Housing and Cover are CNC machined and phosphate coated.
Includes +10PSI higher pressure relief spring and optional -10PSI relief spring.
Screw in plug retains relief valve spring instead of pin.
Cover is doweled to the pump housing to assure alignment of the shaft bores.
Includes 12550 chrome moly intermediate shaft with steel guide.
Made in USA. Melling high performance oil pumps provide dependable performance every time in every application under the toughest RPM conditions. The Melling high performance cast iron oil pump series features a doweled housing and cover, extended drive and idler shafts for additional support at increased RPM’s, a screw in relief spring plug, CNC machined cover and housing that is manganese phosphate coated, standard volume and high volume patented billet Shark Tooth gears, and a chrome moly drive shaft with steel guide. Includes lower pressure spring and self locking socket head bolts with wrench for use with bolt on screen pumps. Every Melling high performance oil pump is individually tested for pressure and flow under actual engine operating conditions. Melling high performance Shark Tooth oil pumps are recommended for all applications where a high performance oil pump is needed.
This Part Fits the Following OEM/Substitute Numbers:
Crown Automotive is the premiere manufacturer and distributor of quality replacement parts for Jeep(R) CJ(TM), Wrangler(TM), Cherokee(TM), Grand Cherokee(TM), Liberty(TM), and Commander(TM). With over 8,000 different parts in stock for Jeep(R) vehicles from 1942 on up, Crown has the largest stock of replacement parts for Jeep(R) vehicles, including factory-discontinued parts. In fact, many of the older Jeeps are still on (and off) the road thanks to Crown parts. The Crown line consists of axle, body, brake, clutch, cooling, driveline, electrical, engine, exhaust, fuel, steering, suspension, transmission and transfer case components. Crown Automotive also offers an exclusive line of component kits and accessory products. Because we know that Jeeps are driven harder than most other vehicles, we emphasize offering only quality parts. In fact, we test parts on Jeeps before distributing them to our dealers to insure that they meet our standards for quality. Crown also supports its entire line with a 12 month/12,000 mile warranty to insure our dealers and their customers of our commitment to offering quality parts.