The Yukon USA Standard ring-and-pinion set is tailored for 1955–1964 GM passenger cars and provides a 3.73 axle ratio to return correct driveline gearing. Manufactured to exceed OEM specs, each set undergoes dimensional, material, and fitment testing for dependable quality. Includes an 8.40" ring gear with 10 ring gear bolts and a 17-spline pinion for accurate, factory-style fitment.
USA Standard Ring & Pinion Gear Set For GM Chevy 55P in a 3.73 Ratio