Description: This traction bar kit is a great fit for 2001 - 2010 GM trucks with Extended Cab Long Bed and Crew Cab Long Bed models powered by a 6.6L Duramax engine. Stock trucks can gain benefits from these traction bars, and they're almost a must - have when you modify your truck. These Wehrli traction bars help curb axle hop and twist, and they look really cool too! When you increase your diesel truck's horsepower, traction bars are necessary to prevent axle twisting that can break u - joints, driveshafts, and twist axle housings. The traction bar brackets bolt onto the axle tube via u - bolts and weld to the frame. We use a high - quality RockJock rebuildable and greaseable 'Johnny Joint' heim connection at the frame for axle torsion adjustment or when you raise/lower the rear of your truck. At the axle connection, a heavy - duty Poly Urethane Bushing reduces noise and vibration. Part Number: WCF100852. Features: Lifetime warranty against bending or breaking for the original purchaser, 68' heavy - duty bars, poly bushings, RockJock Johnny Joints, frame - side weld - on mounts, axle - side bolt - on mounts, Grade 8 hardware, and powder coating with a zinc primer base coat. Note: If you have a Lift Kit and your U - Bolts face up instead of down like factory, use Traction Bar Kit WCF100855.

Using the traction bar kit is quite straightforward. First, you need to bolt the traction bar brackets onto the bottom of the axle tube using the axle u - bolts. Then, weld the brackets to the frame on the front end. When adjusting the torsion on the axle or changing the height of the rear of your truck, you can use the RockJock Johnny Joint at the frame connection. Remember, if you have a Lift Kit with U - Bolts facing up, don't use this kit; instead, use the WCF100855 kit. For maintenance, regularly check the hardware for tightness. The RockJock Johnny Joint can be greased periodically to keep it in good working condition. The powder - coated finish helps protect the bars, but if you notice any signs of wear, it's a good idea to have it inspected. And keep in mind, this kit comes with a lifetime warranty against bending or breaking for the original purchaser, so use it with confidence.