ICT BILLET 551789-3 ICT Billet 551789-3 LS Truck 6-Rib LSA Supercharger Idler Pulley and Bracket Kit

The ICT Billet 551789-3 idler pulley and bracket kit is designed for LS truck applications using an LSA supercharger and a 6-rib serpentine belt system. This assembly provides a dedicated belt-routing solution for supercharger installations, helping maintain consistent belt engagement and reliable accessory drive operation. The kit combines the idler pulley and mounting bracket into a streamlined package for a clean, purpose-built installation.
The bracket is manufactured from aluminum for a strong, lightweight design that complements performance-oriented engine builds. Its clear anodized finish adds surface protection while providing a clean appearance suitable for engine compartments, custom swaps, and professionally detailed installations. The 6-rib pulley is matched to common serpentine belt configurations used with LS-based truck and LSA supercharger setups.
As an ICT Billet component, part number 551789-3 is built for enthusiasts, fabricators, and installers who need dependable hardware for a custom or upgraded accessory drive system. Verify belt routing, bracket clearance, pulley alignment, and vehicle-specific compatibility before installation. This kit is intended for applications where an LS truck 6-rib LSA supercharger tensioner or idler arrangement is required and does not include unrelated mounting or belt-drive components.

Features:

• Application: Designed for LS truck applications using an LSA supercharger and 6-rib serpentine belt system

• Component: Includes an idler pulley and mounting bracket for a dedicated accessory drive installation

• Construction: Aluminum bracket construction provides a lightweight solution for performance engine builds

• Finish: Clear anodized finish offers a clean appearance and added surface protection

• Belt Compatibility: Configured for use with a 6-rib serpentine belt arrangement

• Brand and Part Number: ICT Billet 551789-3