Fitment: Traction Tie Bar is compatible with 2011-2019 Chevrolet Silverado 2500 / 3500 HD 4WD, compatible with 2011-2019 GMC Sierra 2500 / 3500 HD 4WD. Please recheck your vehicle compatibility in the product description before purchasing the traction bar Process: High-strength steel construction makes it durable. The powder-coated surface provides a sleek appearance, is easy to clean and maintain, and extends its lifespan Function: This traction bar installs at the truck rear to strengthen stability. It avoids rear-end bending during hard acceleration or off-road driving and reduces post-lift vibrations. By maintaining full suspension travel without restriction, it improves wheel traction—critical for minimizing tire slippage when accelerating Enhanced Traction: Boosts wheel grip to cut tire slippage on acceleration, stabilizes the vehicle during launches, and minimizes body movement for sharper performance Installation & Package: 1 x Traction Tie Bar in the package. We include all installation accessories and instructions. Mounting by screws