Wehrli builds its traction bars in-house and warrants them for life, to the original buyer, if a bar bends or breaks. Added power can twist a leaf-spring axle, which leads to broken U-joints and driveshafts and even twisted axle housings; the bars stop that wrap-up.
The axle brackets bolt under the axle tube with the axle U-bolts, and the front mounts weld to the frame. A rebuildable, greaseable RockJock Johnny Joint at the frame allows adjustment if you raise or lower the rear, and a polyurethane bushing at the axle keeps noise and vibration down. The bars are powder coated over an epoxy primer, which Wehrli says gives far better corrosion protection than a single coat.
Owners of 2011-2024 Ford F-250 / F-350 with the 6.7L Power Stroke (regular cab long bed, Super Cab long and short bed, crew cab long bed) who are adding power or towing heavy.
| Truck | Ford F-250 / F-350, 6.7L Power Stroke |
|---|---|
| Bar length | 68 in. |
| Cab / bed | regular cab long bed, Super Cab long and short bed, crew cab long bed |
| Frame joint | RockJock Johnny Joint |
| Axle joint | Polyurethane bushing |
| Mounting | Weld-on frame, bolt-on axle |
| Warranty | Lifetime against bending or breaking (original buyer) |
| Shipping weight / box | 85 lb · 36 × 24 × 12 in |
Professional install available at Powertech Diesel, Idaho Falls — call 208-542-7793.
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