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FASS Fabrication · Built In Our Shop
We Don'tSource It.We Build It.
Traction bars, radius arms, control arms, and coilover conversions — designed, welded, and powder coated in house for Ram 2500/3500 and Ford Super Duty.
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Wheel Fitment Finder
Pick your truck and we'll show the exact bolt pattern and the wheel sizes we stock for it.
Select your make, model, and year to see the bolt pattern and available wheel sizes.
Washington, Missouri • Off-Road & Diesel Performance Parts
Built for Trucks That Actually Get Used
FASS Motorsports helps truck, Jeep, and UTV owners dial in suspension, steering, armor, lighting, fuel systems, and diesel performance upgrades that actually fit their build.
Suspension & Lift Kits
Shop shocks, coilovers, leveling kits, control arms, leaf springs, and complete lift kits for street, tow, and off-road builds.
02Diesel Performance
Fuel systems, CP3 and injector upgrades, filtration, drivetrain, and engine parts from S&S Diesel, FASS, and the brands that hold up.
03Real Fitment Help
Not sure what fits your year, make, and model? Our team helps with truck, Jeep, UTV, and diesel fitment before you order.