Jeep J-4700 Radial Parts

Should you mix bias-ply and radial tires? Get all the information you need with our guide on radial tires and bias ply tires, and why mixing is risky.

Upgrade your tires using a cross-reference chart to convert bias-ply tire sizes to radial tire sizes, as well as a formula to find the overall height of a tire.

This is more than the story of a vintage sprint car. It's also the story of how a dynamic duo of "Speedy" Bill Smith and Jan Opperman toppled giants at the 1976 Hulman Classic.