Yukon high performance ring & pinion set, GM 55P, thick, 4.11 ratio

High performance Yukon Ring & Pinion "thick" set for GM Chevy 55P in a 4.11. Yukon Gear & Axle high performance ring & pinions set the standard for quality. Yukon designed the gear tooth surface finish to reduce friction and heat, and use high grade steel in both the ring & pinion, with fitment designed to OEM spec. Yukon Gear & Axle high-performance ring and pinion gear sets are the benchmark of quality in the automotive gear industry. Yukon engineers use state-of-the art design, advanced heat-treating techniques, and leading-edge quality testing processes to ensure the structure and surface finish meet exacting specifications and quality standards. Yukon offers its Y.E.S. Plan, a lifetime, comprehensive, no-questions-asked protection plan covering your gear set for as long as you own your vehicle. Whether youve added tons of horsepower under the hood, upgraded to bigger tires, are just want to optimize the traction performance of your ride, Yukon offers the widest selection of gear ratios on the market to accommodate every need.

Fits 1955-1964 GM passenger car 8.40" ring gear diameter 17 spline pinion 10 ring gear bolts 4.11 ratio