Key Specs

MFG. Part #
BrandSpeedway Motors
Piston Ring Diameter

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Speedway Motors offers these replacement cast piston ring sets for 1964-67 Cadillac engines. They are available in .030, .040 or .060 oversizes and are what you need to successfully rebuild your Caddy 429 c.i. V8.

  • 1964-67 Cadillac
  • 429 c.i. engine
  • Available in .030, .040 or .060 oversizes
  • Sold as a set


CARB Warning

For race/ off road use only

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. 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
Piston Ring Diameter
Top Ring MaterialCast Iron
Second Ring MaterialCast Iron
Sold in QuantitySet