HSP DIESEL 58 INCH BOLT ON TRACTION BARS FOR 3.5 INCH AXLE DIAMETER |2001-2010 GM DURAMAX 6.6L|

NOTE - Due to demand, this is a 2-3 lead time to ship. Thanks!

HSP 58" Bolt-On Traction Bars 3.5in Axle Diameter for 2001-2010 Chevrolet / GMC Duramax LB7 / LLY / LBZ / LMM

The 035-1-HSP, or HSP 58" Bolt-On Traction Bars for 3.5" axle diameters, are designed for the 2001-2010 Chevrolet and GMC Duramax trucks. These traction bars aren't just for modified builds—stock trucks, drag applications, and daily drivers will all benefit. Get rid of axle wrap, the issue where you have a massive continual change in driveshaft angle due to the torque these trucks make and natural up and down travel as you're driving down the road whether it be on or off highway.

Why You Need the HSP 58" Traction Bar Kit

Diesel trucks carry significant weight up front, especially with aftermarket accessories like plows or winches. Combined with limited rear traction and massive torque output, this often causes wheel hop—a violent up-down motion of the rear wheels under load. While it might seem like a minor issue, wheel hop can destroy driveshafts, axles, u-joints, and yokes. Installing traction bars significantly reduces this risk while improving traction and power transfer.

What Makes HSP Traction Bars Different

Our 58" traction bars anchor your rear axle to the frame, minimizing flex and movement. This ensures more power gets to the ground efficiently. Each kit includes premium hardware and bushings—no cheap parts or sloppy fitment here. Our bars are trusted by street trucks, race setups, and tow rigs across the country. They're simple to install, reliable, and powder coated to suit any build.

What's Included

• 1x 58" Bolt On Traction Bar (HSP-IN-678-1)
• 1x 58" Bolt On Traction Bar (HSP-IN-678-1)
• 1x Front Traction Bar Bracket Left (HSP-IN-657-D)
• 1x Front Traction Bar Bracket Right (HSP-IN-657-P)
• 1x Rear Traction Bar Bracket (01-10) (HSP-IN-663-1)
• 1x Rear Traction Bar Bracket (01-10) (HSP-IN-663-1)
• 4x 1/8" Aluminum Rivet (RFB-098-RFAB)
• 2x Small HSP Logo (Flat) (RFB-752-F-RFAB)
• 2x Polyurethane Bushings (RFB-835-RFAB)
• 4x Bushing Inserts (DOM Tubing) (RFB-836-RFAB)
• 8x 1/2"-13x1-1/4" Grade 8 Bolt (RFB-845-RFAB)
• 16x 1/2" Washer (RFB-846-RFAB)
• 8x 1/2"-13 Nylon Lock Nut (RFB-847-RFAB)
• 2x 5/8"-11x3-1/4" Grade 8 Bolt (RFB-848-RFAB)
• 2x 5/8"-11x3-3/4" Grade 8 Bolt (RFB-849-RFAB)
• 4x 5/8"-11 Nylon Lock Nut (RFB-850-RFAB)
• 8x 5/8" Washer (RFB-851-RFAB)
• 2x Flex Joint (3/4"-16 Thread, Bolt Dia. .625") (RFB-721-RFAB)
• 2x Jam Nut (3/4"-16) (RFB-722-RFAB)

Fitment

• LB7: 2001-2004 (VIN Code 1)
• LLY: 2004.5-2005 (VIN Code 2)
• LBZ: 2006-2007 (VIN Code 2 or D)
• LMM: 2007.5-2010 (VIN Code 6)

VIN Info: The 8th character of your VIN denotes the engine, while the 10th character indicates the model year.

Special Notes

• This 58" bar kit is made for Regular Cab, 8FT bed trucks.
• If you're unsure which size you need, please contact us to confirm fitment.

Overview

• Complete bolt-on for most applications
• Powder coating available, including custom colors
• Heavy-duty rear brackets for added strength
• Easy to install with no special tools required
• Improves power transfer and traction
• Available in multiple lengths for different truck configurations

Our Warranty

HSP NO BS LIMITED LIFETIME WARRANTY

At HSP, we stand behind every product that leaves our facility. For years, we've gone above and beyond to support our customers. With our official "No BS" warranty, that same commitment continues with a clear, straightforward policy you can trust.