2011-2019 Duramax 60" Traction Bar Kit (RCLB/CCSB/ECSB)

2011–2019 Duramax HDs that tow or make power will eventually twist the axle hard enough to cost U-joints, yokes, or housings. Wehrli’s 60" traction bar kit clamps that down with RockJock Johnny Joints at the frame and a poly bushing at the axle — rebuildable, greaseable, and quieter than dual heims.

This kit (WCF100851): Regular Cab Long Bed, Extended Cab Short Bed, and Crew Cab Short Bed. Axle mounts bolt on via the U-bolts; frame mounts weld on.

Fitment gates:

• Extended Cab Long Bed or Crew Cab Long Bed → WCF100853 (68")
• Regular Cab Long Bed: measure ~60" forward from the axle — some fuel-tank brackets block the 60" landing; if so run WCF100853 instead
• Lift with U-bolts flipped up → WCF100855 family
• Rear block over 5" or ~6"+ total lift → typically WCF100853; measure axle-to-frame if you’re on a big lift

Colors: WCFab Red, Gloss Black, Flat Black, and Gloss White commonly ship in a few business days; other powder colors have a longer lead. Idaho Falls customers can have us install when bay time allows.

Call 208-542-7793 with year, cab, bed, and lift height before you order.

Emissions-compliant performance only — Powertech Diesel does not sell deletes or defeat devices.