Fabtech FTS21264 4" Shock Extension Kit for Silverado Trail Boss and Sierra AT4

The Fabtech FTS21264 Shock Extension Kit is a critical component designed specifically for Chevrolet Silverado Trail Boss and GMC Sierra AT4 4WD trucks equipped with Fabtech 4-inch suspension lift systems. This extension kit allows the factory coilover shocks to be properly relocated and extended to accommodate the increased lift height while maintaining proper damping performance and suspension travel.

Key Features:

• Specifically engineered for Trail Boss and AT4 models with factory 2-inch lift
• Works in conjunction with Fabtech 4-inch lift systems for total 6-inch lift capability
• Includes shock brackets and mounting hardware for complete installation
• Precision-manufactured in Fabtech's California facility using state-of-the-art CNC equipment
• Allows proper shock geometry and full suspension articulation
• Direct bolt-on installation with included hardware
• Black powder-coated finish for corrosion resistance

This shock extension kit is designed to work seamlessly with Fabtech's complete suspension systems, ensuring the factory Trail Boss and AT4 coilover shocks are retained and relocated from the bottom to allow for full steering clearance while achieving the desired lift height. The kit addresses all aspects of proper shock positioning to prevent over-cycling and maintain optimal ride quality both on and off-road.

Installation Note: Must be installed as part of a complete Fabtech suspension system. Professional installation recommended.