WEHRLI CUSTOM FAB WCF100850 2001-2010 DURAMAX 60 INCH TRACTION BAR KIT RCLB CCSB ECSB

Product Description

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The WEHRLI CUSTOM FAB WCF100850 2001-2010 DURAMAX 60 INCH TRACTION BAR KIT is one of the most effective upgrades for Duramax trucks experiencing axle wrap, wheel hop, or traction loss under heavy load or high horsepower conditions. Designed specifically for GM Silverado and Sierra 2500HD / 3500HD trucks equipped with the 6.6L Duramax, this heavy-duty traction bar system stabilizes the rear axle under acceleration to deliver stronger launches, improved traction, and increased drivetrain longevity.

Duramax trucks with increased power levels or heavy towing loads often suffer from axle wrap due to the torque generated by the drivetrain. The WCFab WCF100850 traction bar kit controls this movement using a robust 60-inch ladder bar system paired with heavy-duty brackets and high-quality heims to maintain proper suspension geometry while still allowing natural suspension travel.

This system is engineered to fit Regular Cab Long Bed (RCLB), Crew Cab Short Bed (CCSB), and Extended Cab Short Bed (ECSB) configurations. Each kit is manufactured from premium materials and precision fabricated to meet the quality standards Wehrli Custom Fab is known for.

Key Benefits:

• Eliminates axle wrap and wheel hop under heavy acceleration
• Improves traction and launch stability
• Supports high horsepower and towing applications
• Heavy-duty fabricated brackets and reinforced design
• 60-inch traction bars engineered for optimal geometry
• Premium heims for articulation and durability
• Improves drivetrain reliability and axle control
• Manufactured in the USA

Fitment:

• 2001 Chevrolet Silverado 2500HD 6.6L Duramax LB7
• 2002 Chevrolet Silverado 2500HD 6.6L Duramax LB7
• 2003 Chevrolet Silverado 2500HD 6.6L Duramax LB7
• 2004 Chevrolet Silverado 2500HD 6.6L Duramax LB7 / LLY
• 2005 Chevrolet Silverado 2500HD 6.6L Duramax LLY
• 2006 Chevrolet Silverado 2500HD 6.6L Duramax LBZ
• 2007 Chevrolet Silverado 2500HD 6.6L Duramax LBZ / LMM
• 2008 Chevrolet Silverado 2500HD 6.6L Duramax LMM
• 2009 Chevrolet Silverado 2500HD 6.6L Duramax LMM
• 2010 Chevrolet Silverado 2500HD 6.6L Duramax LMM
• 2001 GMC Sierra 2500HD 6.6L Duramax LB7
• 2002 GMC Sierra 2500HD 6.6L Duramax LB7
• 2003 GMC Sierra 2500HD 6.6L Duramax LB7
• 2004 GMC Sierra 2500HD 6.6L Duramax LB7 / LLY
• 2005 GMC Sierra 2500HD 6.6L Duramax LLY
• 2006 GMC Sierra 2500HD 6.6L Duramax LBZ
• 2007 GMC Sierra 2500HD 6.6L Duramax LBZ / LMM
• 2008 GMC Sierra 2500HD 6.6L Duramax LMM
• 2009 GMC Sierra 2500HD 6.6L Duramax LMM
• 2010 GMC Sierra 2500HD 6.6L Duramax LMM

Fits the following configurations:

• Regular Cab Long Bed (RCLB)
• Crew Cab Short Bed (CCSB)
• Extended Cab Short Bed (ECSB)

What’s Included:

• 60 inch fabricated traction bars
• Frame brackets
• Axle brackets
• Heavy duty heims
• Mounting hardware
• Installation instructions

FAQ

What problem do traction bars solve on Duramax trucks?

Traction bars prevent axle wrap, which occurs when torque twists the rear axle during acceleration. This movement can cause wheel hop, traction loss, and damage to drivetrain components.

Will these traction bars affect ride quality?

No. Properly designed traction bars like the Wehrli WCF100850 maintain suspension articulation while controlling axle rotation, so ride quality remains comfortable.

Are these traction bars good for towing?

Yes. Many Duramax owners install traction bars to improve stability while towing heavy loads, particularly when accelerating uphill or launching with trailers.

Are these necessary for stock trucks?

While many stock trucks benefit from improved axle control, traction bars become especially important for trucks with increased horsepower, upgraded turbos, or performance tuning.

Are these bars adjustable?

Yes. The heim joints allow adjustment for proper preload and alignment during installation.