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The Yukon 8.50-inch ring-and-pinion set for GM 8.5in and 8.6in differentials in a 4.11 ratio is a direct-fit replacement for compatible GM housings. Yukon combines precise tooth finishing, advanced heat treatment and high-grade steel to reduce friction and heat while maintaining OEM fit. The set includes an 8.50" ring, a 30-spline pinion and ten ring bolts and is backed by Yukon’s Y.E.S. lifetime protection plan.
Yukon Gear High Performance Gear Set For GM 8.5in & 8.6in in a 4.11 Ratio
