The best square body truck upgrades are the ones that fix a factory weak spot and look right doing it. Being a Chevy square body owner is not just about driving an excellent vehicle but also about customizing it to suit you. In this post, we’ll be showcasing the top 10 LS Fabrication parts for a 1973-1987 Chevy or GMC square body, starting with the engine bay and working back to the bed.
1. Hood Braces
Hood braces may not seem like a big deal, but they prevent your hood from shaking around while driving. Unique, bolt directly to your truck’s support brackets, high-grade quality, coated in satin black paint.
Shop This Part2. Classic Truck Cup Holder
A classic truck deserves a classic truck cup holder. Designed to fit any square body, durable material, holds different cup sizes, gloss black or raw steel finish.
Shop This Part3. Universal Truck Bed Wheel Tubs
Provides extra tire clearance for your truck’s wheels — made from high-grade materials for maximum durability, with a straightforward DIY installation.
Shop This PartBed and tailgate square body truck upgrades
The first three parts tidy up the front end and the cab. The next group is all bed and tailgate work.
4. Tailgate Saver Shock (Strut)
Eliminates the use of cables and ramps when loading/unloading heavy items from your truck bed. Adjustable design reduces strain on the tailgate hinge mount.
Shop This Part5. Tailgate Cables
Tailgate cables may seem minor, but they’re essential to your tailgate’s functionality. Coated in nylon to resist weather, with high tensile strength for heavy loads.
Shop This Part6. Tilt Bed Scissor Hinges (Pair)
An essential component for trucks with tilting beds — durable material for heavy use, and easy to install.
Shop This Part7. Bead Rolled Firewalls
Divides the engine compartment from the cockpit. Available in brushed aluminum and stainless steel finishes, designed for a perfect fit.
Shop This PartCab and interior square body truck upgrades
8. Speaker Brackets
Fit your square body truck perfectly — available in two sizes, coated to prevent rust and corrosion.
Shop This Part9. Stone Guards
Protects your truck from stone chips picked up on the open road, while adding a bit of style to your vehicle.
Shop This Part10. Stone Shields
An extremely accurate reproduction of the discontinued nostalgic GM accessory — laser cut from 20-gauge stainless steel and contoured for a perfect fit.
Shop This PartOwning a classic truck like a 1973-1987 Square Body Chevy requires constant maintenance and attention to detail. Each of these square body truck upgrades is designed to fit with precision and to last for a long time. If you are new to the generation, our square body Chevy guide covers the years, models and trim levels, and the C10 stone shields article goes deeper on number ten. For the factory history of the Rounded Line trucks, Wikipedia has a good summary.
All ten, along with the bead rolled firewalls and radio repair panels that go with a dash rebuild, are in our 73-87 Squarebody truck parts collection.
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