The Yukon USA Standard ring-and-pinion set is a direct-replacement final drive for 1955–1964 GM passenger cars, supplied with a 3.08 axle ratio to restore original gearing. Designed to exceed OEM specification, each set is inspected for dimensional and fitment accuracy. This kit includes an 8.40" ring gear with 10 ring gear bolts and a 17-spline pinion for period-correct installation and reliable fit.
USA Standard Ring & Pinion Gear Set For GM Chevy 55P in a 3.08 Ratio