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The Yukon 8.50-inch ring-and-pinion set for GM 8.5in and 8.6in differentials in a 3.73 ratio is a direct-fit option for GM 8.5/8.6in housings. Yukon designs the gear tooth surface finish and uses advanced heat-treating with high-grade steel to reduce friction and heat while matching OEM fit. The package includes an 8.50" ring, a 30-spline pinion and ten ring bolts, and is supported by Yukon’s Y.E.S. lifetime protection plan.
Yukon Gear High Performance Gear Set For GM 8.5in & 8.6in in a 3.73 Ratio
