The Wehrli 60" traction bar kit for 2020–2021 Duramax 60in RCLB/CCSB/ECSB models is a bolt-on solution that helps prevent axle wrap under heavy towing or increased horsepower. It uses RockJock Johnny Joint heim connections at the frame and polyurethane bushings at the axle to limit vibration and allow adjustment. The kit ships powder-coated with an epoxy primer, Grade 8 hardware, and carries a lifetime warranty against bending or breaking to the original purchaser.
Wehrli 20-21 Duramax RCLB/CCSB/ECSB 60in Traction Bar Kit - Bengal Red