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The Yukon ring-and-pinion gear set for GM 12‑bolt truck in a 3.42 ratio is a replacement final drive built to OEM specifications and backed by Yukon's Y.E.S. lifetime protection plan. Yukon machines a refined tooth surface finish to reduce friction and heat and uses high‑grade steel for strength. The set fits GM 12‑bolt truck applications with an 8.875 in. ring gear, 12 bolt pattern and a 30‑spline pinion.
Yukon Gear High Performance Gear Set For GM 12 Bolt Truck in a 3.42 Ratio
