The FKF 60"-75" Traction Bars are a fully bolt-on kit for 2001-2010 Chevrolet and GMC Duramax trucks with a 3.5" axle diameter (LB7, LLY, LBZ, LMM). Built from 2" .250" wall DOM steel tubing, 1/4" HRPO steel mounts and 1.25" heim joints rated to 76,000 lb.

No-questions-asked lifetime warranty. If you bend, crack or damage these bars or any fabricated component in this kit, we replace them.

Included components

• 2x 2" .250" wall DOM tube traction bars
• 2x 2" .250" wall DOM tube with HD poly bushing and sleeve
• 2x 1.25" 12tpi right hand heim joints (76,000 lb load rating)
• 4x heim joint misalignment spacers
• 2x 1/4" steel rear bolt-on axle mounts
• 2x 1/4" steel front bolt-on frame brackets
• 2x Grade 8 5/8" x 4" bolts and 2x Grade 8 5/8" nuts
• 2x Grade 8 3/4" x 4" bolts and 2x Grade 8 3/4" nuts
• 10x Grade 8 1/2" x 1-1/4" bolts and 10x Grade 8 1/2" nuts
• 20x 1/2" washers, 4x 5/8" washers, 4x 3/4" washers
• 2x 3/16" FelderKustomFab badges and 4x stainless button head badge bolts

Which length do I need?

Available in 60", 70" and 75".

• 60" — any Regular Cab or Single Cab long bed truck
• 70" — any Crew Cab short box or Extended Cab short box truck
• 75" — any Crew Cab long bed, or any CCSB / ECSB lifted over 4.5"

Fitment

2001-2010 Chevrolet Silverado and GMC Sierra trucks with the 6.6L Duramax and a 3.5" axle diameter.

Powder coat options

The FelderKustomFab badge comes in raw brushed stainless steel. If you would like it done in a custom colour, state it in the cart notes.

If a custom powder coat colour is desired for the bars or mounts, select “Custom Colour” and state the colour in the dropdown menus. If Raw is selected, these fields can be left empty.

Colour link — https://www.prismaticpowders.com/canada

Frequently asked questions

What is the lead time on these Duramax traction bars?

Please allow 2-3 weeks at the moment. These bars are built to order, not pulled from a shelf. Contact us before ordering if you need an exact date.

Which length should I order?

60" for Regular Cab or Single Cab long bed trucks, 70" for Crew Cab or Extended Cab short box trucks, and 75" for Crew Cab long bed trucks or any CCSB/ECSB lifted over 4.5".

Will these fit a 4" axle Duramax?

No. This kit is built for a 3.5" axle diameter. 2011-2019 GM HD trucks with a 4" axle use our separate 2011-2019 traction bar kit.

What is the warranty?

A no-questions-asked lifetime warranty on the bars and every fabricated component in the kit.