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Welcome to Filthy Motorsports.
Filthy Motorsports is a specialty off-road shop in Boulder, Colorado that specializes in serving off-road enthusiasts that prefer to do the work themselves. While we do offer installation and custom fabrication services, we believe that half the fun of four-wheeling takes place in the garage. To give you the best service possible, we're often available after-hours and on weekends via email and we're constantly adding products to our on-line store for fast, safe, and easy shopping.
King Off-Road Racing Shocks Experts
Whether you're looking for a bolt-on OEM kit for your daily driver or a set of custom built race-spec bypass shocks for your trophy truck, we're your source for King Off-Road Racing shocks.
** NEW! Now All King Shocks Include FREE SHIPPING! **
Keep in mind that we're an authorized dealer for thousands of performance brands with millions of different products so if you don't find everything you're looking for here don't hesitate to email Quotes@FilthyMS.com, complete our Quote Request Form, or call us for a quote or package deal pricing!
Atlas 2 Speed Transfer Cases are custom built to order by Advance adapters with your choice of gear ratios, tailhousings, speedometers, shifters, input and out put shafts and yokes, and transmission adapters. Competition rated components are also available upgrades.
TJM Stealth 10000 winches feature heavy duty 7hp motors and 212:1 reduction gears for maximum pulling power and include 80 feet of 3/8" Dyneema SK-75 synthetic winch rope, a wired and wireless winch controller, aluminum fairlead, and a remote mounted battery disconnect switch.
Rigid Industries E-Series 20" Light Bars offer the best bang for your buck in LED lighting with super bright and efficient LEDs housed in an almost indestructible, waterproof aluminum housings with an ultra tough Lexan lens. Available with combo beam optics. Made in the USA.
AxleTech Portal Axle Conversions are designed and built to add 5 inches of lift and ground clearance to full-size Ford and GM trucks. They feature a 4 gear, non-reverse rotation design, a 1.5:1 gear reduction, Wilwood disc brakes, and can be installed in as little as a day.
Raceline Monster Series Beadlock wheels are designed and built specifically for off-road desert racing and competition rock crawling. They are available in both lightweight cast aluminum and high strength race-spec forged aluminum models in 15" and 17" sizes.
Jeep, Truck, and SUV Parts
We've got the lift kits, wheels, tires, body armor, winches, lights, and anything else you need to turn your Jeep, truck, or SUV into a capable off-road vehicle that's comfortable on the street and safe to use as a daily driver.
Rock Crawler Parts
Heim joints, DOM tubing, beadlock wheels, sticky tires, transfer cases, hydraulic steering, air bypass shocks, lockers, and all the custom off-road fabrication parts you need to build, repair, and maintain your hardcore trail rig or competition rock crawler.
Rally Car Parts
Complete suspension systems, racing seats, harnesses, roll cages, turbo kits, and all the race-spec parts you need to turn your Subaru, Mitsubishi, or any other car into a high speed, high performance, on and off-road racer.
Desert Racing Parts
From Trophy Trucks and Class 1 buggies to the prerunners and support trucks that assist them, we carry all the hardcore and race-spec parts you need for high speed desert driving.
Race Car Parts
While we tend to focus on off-road vehicles, our product lines and expertise carry over into all forms of motorsports including high performance street vehicles and race cars.
Don't see what you're looking for? We carry a broad range of products above and beyond what we can make available on this website. Give us a call or send us an email with what you need and chances are we can get it for you and at a great price.
