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Product Summary

Chevy Small Block V8, High Volume Oil Pump Volume

  • Nickel body and end plate have been machined to balance the pressure at all rpms, which also reduces cavitation and increases longevity
  • Includes three pressure springs and a steel oil pump driveshaft sleeve
  • S/B Chevy

Key Specs

MFG. Part #577OP55HVD
BrandSpeedway Motors

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Details

There are many scenarios where a standard-volume oil pump won't provide the protection your SBC engine needs. Engines with loose clearances (quick rebuilds or high-mileage engines) will need more oil volume to maintain a desired pressure. Engines operating at sustained high RPM (racing) also typically need more oil volume to maintain pressure in all oil galleries. 

These high-volume oil pumps move 25% more oil by utilizing 1.500" long internal gears, which is .300" longer than stock pumps. Another benefit of high volume oil pumps is increased pressure at idle, providing some much needed peace of mind on the street. 

All components are hand-selected for perfect fit and function. The high-nickel body and end plate have been machined to balance the pressure at all RPMs, which reduces cavitation and increases longevity. This adjustable oil pump includes three pressure springs. The general rule of thumb is 10 PSI for every 1,000 RPM, so these springs will allow you to tune the system to your needs.

  • For 1955-1999 small block Chevy V8
  • 25% more volume than stock oil pumps
  • Ideal for high-mileage, basic rebuilds, and racing engines
  • Recommended for applications with remote filters or coolers
  • Upgraded 1.500" long gear (.300" longer than stock)
  • 55 PSI spring installed, 65 & 80 PSI springs included
  • Includes steel sleeve for oil pump drive
  • Use with 5/8" pick-up tube

CARB Warning

For race/ off road use or for use on pre-1966 vehicles.

Emissions warning: this part only legal for sale or use in California for racing (competition) vehicles which may never be used, registered, or licensed for use upon a public highway, or if installed in vehicles model-year 1965 or older; motorcycles model-year 1977 or older; or off-highway recreational vehicles (such as off-road motorcycles and all-terrain vehicles) model-year 1996 and older. Any other use renders the vehicle tampered and not legal for use on California public highways (any public street or roadway, public dirt road, public park, or publicly maintained right of way open to the use of the public for vehicular travel). Violations subject to $37,500 penalty per violation per vehicle, revocation of registration, loss of use on California public right of ways, and proof of correction for tampering. There are similar restrictions and penalties under federal law and the laws of all other states with penalties under federal law of up to approximately $45,268 per tampered vehicle and/or engine.

Specifications

KEY SPECS
MFG. Part #577OP55HVD
BrandSpeedway Motors
GENERAL
Oil Pump VolumeHigh Volume
Pickup Tube O.D..625"
Oil Pump PressureHigh Pressure
Inlet Size
Material TypeSteel
Sold in QuantityEach
NotesIncludes (3) pressure relief springs: 55 PSI (installed), 65-70 PSI (orange), 80-90 (yellow). Also includes a steel sleeve for the oil pump drive.