Universal Shock Box | Custom Fiberglass Shock Box for Semi Trucks these fenders are ready to

these fenders are ready to customize to match your build

Perfect For

ArmorCore Advantage™ Lifetime Warranty - Premium construction backed by our lifetime guarantee

Built for durability and long-term performance

Universal Shock Box | Custom Fiberglass Shock Box for Semi Trucks these fenders are ready toUniversal 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