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The Yukon 8.60-inch IRS Camaro ring-and-pinion set in a 3.90 ratio is a direct-fit option for GM 8.6in IRS Camaro differentials. Yukon designs gear tooth surface finish and uses advanced heat-treating and high-grade steel to limit friction and heat while preserving OEM fit. The package includes an 8.60" ring, a 32-spline pinion and ten ring bolts, and is covered by Yukon’s Y.E.S. lifetime protection plan.
Yukon Gear High Performance Gear Set For GM 8.6in Irs in a 3.90 Ratio
