If you're looking to give your rig a serious boost in performance, the USA Standard Gear Re-gear & Traction Kit is a solid choice. This kit isn’t just a collection of parts; it’s a thoughtfully designed solution that can transform the way your vehicle handles on and off the road. It comes with everything you need in one package—a 4.11 ratio ring and pinion gear set, an installation kit, and a Yukon Dura Grip limited slip positraction unit. The Dura Grip is where the magic happens. It’s built to provide smooth yet aggressive traction, making it perfect for tackling a variety of terrains. Whether you're cruising down the highway or hitting the trails, you’ll feel the difference in how your vehicle grips the road. Plus, it’s engineered for durability and is completely rebuildable, so you won’t have to worry about replacing it anytime soon. The high-strength nodular case and forged 4320 chromoly spider gears mean it’s tough enough to handle whatever you throw at it. And let’s not forget about the composite clutches that enhance performance. What I really appreciate about USA Standard Gear is their commitment to quality. They put their gears through rigorous in-house testing to ensure they meet strict dimensional, material, and fitment standards. So, you can trust that you’re getting a product that’s built to last. The kit is designed for vehicles with a 14 bolt rear cover and a 12 bolt ring gear, making it compatible with a wide range of Chevy and GMC models from the '80s to the 2010s. This means you’re not just upgrading your differential; you’re also stepping up your game with a more aggressive gear ratio and the added benefit of a limited slip differential—all in one go. Installation is a breeze, thanks to the included Master Install Kit, which features high-quality Koyo bearings and all the necessary small parts. This way, you can get your vehicle off the lift and back on the road without a hitch. So, if you're ready to enhance your ride’s traction and performance, this kit could be just what you need. With the 10.5" ring gear diameter and compatibility with common differential repairs, it’s designed to save you time and money while providing a one-stop shopping experience. Fitment:

• Chevrolet Avalanche 2500 (2002-2006)
• Chevrolet C/K 2500 (1989-2000)
• Chevrolet C/K 3500 (1989-2000)
• Chevrolet Express (1996-2015)
• Chevrolet G20 (1989-1995)
• Chevrolet G30 (1989-1996)
• Chevrolet P30 (1997-1998)
• Chevrolet Silverado 2500 (2001-2010)
• Chevrolet Silverado 3500 (2001-2010)
• Chevrolet Suburban (1989-1991 & 2010)
• GMC C/K 2500 (1989-2000)
• GMC C/K 3500 (1989-2000)
• GMC G3500 (1989-1996)
• GMC R2500 (1989)
• GMC R2500 Suburban (1990-1991)
• GMC Savana (1996-1998 & 2010)
• GMC Sierra (2001-2010)
• GMC V2500 Suburban (1989-1991)
• GMC Yukon XL (2010)