The Yukon ring-and-pinion gear set for GM 12‑bolt truck in a 3.73 ratio offers a direct-fit final drive upgrade engineered to OEM spec and supported by Yukon's Y.E.S. lifetime protection plan. The gear tooth finish is optimized to reduce friction and heat while high‑grade steel construction maintains structure and surface integrity. Fits GM 12‑bolt truck with an 8.875 in. ring gear, 12 bolts and a 30‑spline pinion.
Yukon Gear High Performance Gear Set For GM 12 Bolt Truck in a 3.73 Ratio