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Summit Racing™ Pro LS Oil pumps
Oil Pump Pro LS, Standard-Volume, Standard-Pressure w/Optional High-Pressure Shim, O-ring to block seal, Fits GM Gen III/IV LS Engines, Each
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Estimated Ship Date: Monday 10/19/2026 Would you rather pick it up?
Overview
Brand:
Manufacturer's Part Number:
SUM-121171-OR
Part Type:
Product Line:
Summit Racing Part Number:
SUM-121171-OR
UPC:
190861374812
Oil Pump Style:
Wet sump
Oil Pump Volume:
Standard-volume
Oil Pump Pressure:
Standard-pressure
High-Pressure Oil Pump Spring Included:
Yes
Pickup Included:
No
Hardened Driveshaft Recommended:
No
Oil Pump Driveshaft Included:
No
External Oil Pump Pulley Included:
No
External Oil Pump Belt Included:
No
External Oil Pump Mounting Brackets Included:
No
Hardware Included:
No
Gaskets Included:
Yes
Remanufactured:
No
Quantity:
Sold individually.
Notes:
Standard volume pump is +10 percent volume over stock. Includes shims to raise pressure relief spring additional 9-10 lbs.
Summit Racing™ Pro LS Oil pumps
Like all our premium Pro LS products these Summit Racing™ Pro LS oil pumps are what you need for maximum performance and reliability from your LS engine. Available in standard volume +10 percent and high-volume +18 percent versions, these pumps produce more gpm (gallons per minute) than OEM pumps. They also feature an O-ring seal between the pump outlet and block which helps prevent high-rpm pressure loss and oil aeration. They include both early and late pickup tube O-rings and come with two different thicknesses of shims, if you feel the need to bump up the pressure relief points. Don't take chances on your next LS build, choose a Summit™ Pro LS oil pump.
Additional features:
* Low porosity aluminum main body
* Steel thrust cover plate
* O-ring seal of pump to engine block
* Optional oil pressure spring shims supplied +8 and +10lb.
* Steel alloy gear set at STD .420 in. or HV .510in. thickness
* Chrome nickel multi-tempered oil pressure control spring
* Assembled by hand in USA with foreign and domestic parts
-- All specifications exceed OEM standards
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