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The Yukon Gear & Axle thin ring-and-pinion set for GM 12-bolt passenger cars in a 3.73 ratio is made for thin-carrier applications (fits 4.10 and up carriers). Yukon specifies a refined tooth finish to reduce friction and heat and uses high-grade steel with OEM-spec fitment. The set includes an 8.875" ring gear, 12 ring bolts and a 31-spline pinion, and is supported by Yukon's Y.E.S. lifetime protection plan.
Yukon Gear High Performance Thin Gear Set For GM 12 Bolt Car in a 3.73 Ratio / Thin
