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Ships within 48 hours · Estimated delivery Aug 11 - Aug 16
Explore our full Peterbilt Fender Collection for additional sizes and styles
Available with your choice of a straight edge or returned edge
Perfect For
Premium Flat Shock Box for Semi Trucks
ensuring reliable fitment for a wide range of Class 8 trucks
Universal Shock Box | Custom Fiberglass Shock Box for Semi Trucks Explore our full Peterbilt FenderUniversal 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
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