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Ships within 48 hours · Estimated delivery Aug 16 - Aug 21
Built for durability and long-term performance
Premium Flat Shock Box for Semi Trucks
Hidden Bracket System - Clean
ArmorCore Advantage™ Lifetime Warranty - Premium construction backed by our lifetime guarantee
these fenders are ready to customize to match your build
Universal Shock Box | Custom Fiberglass Shock Box for Semi Trucks Built for durability and long-termUniversal Shock Box Premium Flat Shock Box for Semi Trucks Enhance your truck's appearance with the Flat Shock Box, designed to deliver a clean, streamlined look while helping protect suspension components from road debris and everyday wear. Built for custom semi truck applications, this fiberglass shock box combines durability, lightweight performance, and professional styling. Whether you're building a show truck or upgrading a working rig, the Flat
