Product Summary

  • Will fit Ford and Chevy small block V8's
  • Four Over-Bore sizes to choose from
  • Three available ring styles
  • Handles up to 450 HP
  • Withstands 12.5 maximum compression

Key Specs

MFG. Part #
BrandSpeedway Motors
Garage Sale TypeCloseout

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Speedway Gas Proven piston rings are the best value in piston rings!

  • These tough rings will withstand 12.5 maximum compression, 7000 maximum sustained RPM, and up to 450 HP
  • First and second rings are cast iron yielding 55,000 psi strength with end gap factory set at .012" to .018"
  • Three piece oil ring features chrome rails over a stainless steel expander, which gives uniform wall pressure and efficient oil control
  • Designed for gasoline use. Not recommended for use with alcohol


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.


MFG. Part #
BrandSpeedway Motors
Garage Sale TypeCloseout
Piston Ring Style
Piston Ring Diameter
Piston Ring DesignConventional
Top Ring MaterialCast Iron
Top Ring Thickness
Second Ring MaterialCast Iron
Second Ring Thickness
Oil Ring Thickness
Oil Ring TensionStandard Tension
Sold in QuantitySet