BST BSSP Front Torsion Bar Mount Kit for Chevy Silverado GMC Sierra 1999–2007 — Pair, Powder-Coated Steel with Bushings

BST BSSP Pair (2pcs) Front Torsion Bar Mount Kit is a complete aftermarket replacement that restores secure front torsion bar attachment for 1999–2007 Chevy Silverado and GMC Sierra 4WD trucks.

This steel, powder-coated torsion bar crossmember mount kit replaces worn, cracked, or rusted factory mounts on compatible Silverado and Sierra pickups. Each kit includes two torsion bar mounting brackets with bushings and all required hardware so you can replace either the driver or passenger side without sourcing extra parts. Designed for 4WD models, the mounts are manufactured to OEM-style dimensions to fit common years and trims listed below.

Which vehicles does this mount kit fit?

These torsion bar mounts are engineered for a range of Chevrolet and GMC 4WD pickup models from the late 1990s through the mid-2000s. Confirm part numbers and vehicle year to ensure correct match before purchase.

• Chevrolet Silverado 1500 (1999–2007) and 1500 HD (2003–2006), including 2007 Classic variants
• Chevrolet Silverado 2500 HD Extended Cab (2001–2004)
• GMC Sierra 1500 (1999–2007) and 1500 HD (2003–2006), including 2007 Classic variants
• GMC Sierra 2500 HD Extended Cab (2001–2004)
• Part numbers referenced: 905506, 15153956, 20829013 for cross-reference

What comes in the box and what tools are needed?

The kit arrives ready for a direct replacement with the major components included so you won’t need to hunt down bolts or bushings. Basic mechanical tools and safety equipment are required for removal and installation.

• Included: 2 front torsion bar mounts with bushings, 8 mounting bolts, 8 nuts
• Materials: stamped steel mounts with powder-coated finish
• Recommended tools: floor jack and stands, socket set, torque wrench, rust-penetrant spray
• Note: installation instructions and hardware are included; professional installation is advised for safety

How durable and corrosion-resistant are these mounts?

The mounts are made from steel and receive a powder-coated finish to help resist corrosion and abrasion in typical road conditions. While aftermarket quality is robust, environmental exposure and driving conditions will influence long-term lifecycle.

• Powder-coated surface for improved rust resistance and cleaner appearance
• Steel construction designed to match OEM strength requirements
• Includes replaceable bushings to absorb torsion bar wear
• Built to quality-control standards typical for aftermarket suspension components

Is this an OEM part and can I replace one side at a time?

This kit is an aftermarket replacement engineered to the same fitment specifications as the original equipment, but it is not an OEM-branded part. The packaging contains two mounts, and you can use them to replace either the left (driver) or right (passenger) side as needed.

• Aftermarket component built to match OEM sizing and fit
• Kit includes two mounts—use one or both depending on condition
• Hardware and bushings included for a single-side professional repair
• Always verify fitment against your truck’s model year and axle configuration

Who is this for? This BST BSSP front torsion bar mount kit is intended for owners, mechanics, and restoration shops working on 4WD Chevrolet Silverado and GMC Sierra trucks from 1999 to 2007. It suits anyone needing a cost-effective, ready-to-install replacement for corroded or damaged torsion bar mounts and who prefers a powder-coated steel part with included hardware for a professional repair.