High Boy Rear Full Fender Set
Give your truck a bold, elevated look with the High Boy Rear Full Fender Set. Designed for semi trucks with 52" or 54" axle spreads, these premium fiberglass fenders deliver excellent rear wheel coverage, clean styling, and long-lasting durability.
Featuring a deep 38" drop and 4" sidewall, the High Boy design creates a sleek profile while maintaining the protection needed for daily driving and custom truck applications. Choose between a straight edge or returned edge to match your truck's style and finish.
Built with double-lined fiberglass construction and reinforced with the ArmorCore™ liner system, these fenders are engineered to withstand road vibration and daily wear while maintaining their appearance. A hidden bracket mounting system provides a smooth, professional installation with no exposed hardware.
Features
✔ 38" drop with 4" sidewall
✔ Available in straight edge or returned edge
✔ Double-lined fiberglass construction
✔ ArmorCore™ reinforced liner system
✔ Hidden bracket mounting system
✔ Smooth paint-ready gel coat finish
✔ Made in the USA – Seymour, Indiana
✔ Sold as a pair (2 fenders)
Compatible Applications
- Peterbilt trucks
- Kenworth trucks
- Freightliner trucks
- International trucks
- Volvo trucks
- Western Star trucks
Designed for most Class 8 trucks with 52" or 54" axle spreads. Not compatible with 60" axle spread configurations.
Important Information
- Fenders arrive gel-coated and require painting
- Always dry fit before painting
- Painted fenders are non-returnable
- Mounting bolts are not included
- Available with standard or flip-up bracket options
- Please provide truck year, make, model, and suspension type when ordering for proper fitment.
Have Questions?
Check out our Bad Ass FAQ and get answers before you buy.
Specifications
| Technical Specifications | |
| Single Fender Weight | 90 lbs |
| Fender Set Weight | 180 lbs |
| Material | 1/4" Fiberglass |
| Coating | Marine Grade Gray Gel Coat - Paint Ready |
| Liner | ArmorCore Advantage™ Liner - Lifetime Warranty Against Spider Cracks |
| Bracket System | Double Hump / Full Fender Brackets (Standard), Double Hump / Full Fender Bracket Set (Flip Up) |
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Premium Quality
Made in the USA Fiberglass Semi Truck Fenders
Proudly made in the U.S.A. in Seymour, Indiana, Bad Ass Custom Truck Parts hand-builds premium fiberglass semi truck fenders designed for real-world abuse. Our double hump and custom fiberglass fenders are engineered to handle serious miles, heavy loads, and brutal road conditions.
Every semi truck fender we build is made in the USA and backed by a lifetime warranty—so you get parts that don't just look tough, they perform. When you run Bad Ass fiberglass fenders, your truck is ready for whatever the road throws at it.





















