Build your Jeep Wrangler JK (2007–2018) into a capable, trail-dominating machine with high-performance off-road parts and accessories from Underdog Motorsports. Whether you’re crawling rocks, hitting the dunes, or setting up for overland adventures, we’ve got the gear to get it done right.
Explore our wide selection of lift kits, shocks, bumpers, skid plates, wheels, tires, lighting, winches, and recovery gear—all from top brands trusted by Jeep owners worldwide.
From weekend warriors to daily drivers, we’ve got the right upgrades to improve performance, durability, and off-road capability. Let Underdog Motorsports help you turn your JK into the rig you’ve always wanted.
Best Selling ProductsJeep Off-Road Parts & AccessoriesJeep Off-Road Parts & AccessoriesJEEP WRANGLER JKJeep Wrangler JK Off-Road Parts & AccessoriesJeep Wrangler Off-Road Parts & AccessoriesNewest Off-Road Products | Tacoma, 4Runner, Tundra, GX, BroncoSteering Knuckle Kit|Steering|Suspension / Steering / Brakes
The TeraFlex JK/JKU High Steer Knuckle Kit addresses several weaknesses prevalent in the stock axle steering configuration on JK Wrangler and JKU Wrangler Unlimited...
Best Selling ProductsJeep Off-Road Parts & AccessoriesJeep Off-Road Parts & AccessoriesJEEP WRANGLER JKJeep Wrangler JK Off-Road Parts & AccessoriesJeep Wrangler Off-Road Parts & AccessoriesNewest Off-Road Products | Tacoma, 4Runner, Tundra, GX, BroncoSteering Stabilizer Kit|Steering Stabilizer|Steering|Suspension / Steering / Brakes
The TeraFlex JK: Steering Stabilizer Relocation Mount Bracket Kit moves the steering stabilizer up nearly 2.5 inch to help reduce damage to the stabilizer...
Best Selling ProductsJeep Off-Road Parts & AccessoriesJeep Off-Road Parts & AccessoriesJEEP WRANGLER JKJeep Wrangler JK Off-Road Parts & AccessoriesJeep Wrangler Off-Road Parts & AccessoriesNewest Off-Road Products | Tacoma, 4Runner, Tundra, GX, BroncoSteering Stabilizer Kit|Steering Stabilizer|Steering|Suspension / Steering / Brakes
The TeraFlex JK: Steering Stabilizer Relocation Mount Bracket Kit moves the steering stabilizer up nearly 2.5 inch to help reduce damage to the stabilizer...
Best Selling ProductsCargo Rack|Racks|Exterior Parts & Car CareJeep Off-Road Parts & AccessoriesJeep Off-Road Parts & AccessoriesJEEP WRANGLER JKJeep Wrangler JK Off-Road Parts & AccessoriesJeep Wrangler Off-Road Parts & AccessoriesNewest Off-Road Products | Tacoma, 4Runner, Tundra, GX, Bronco
Easily and securely mount a Hi-Lift Jack to your Alta Cargo Rack with this JK: Alta Hi-Lift Jack Mount Bracket Kit. Features: Bracket is...
Best Selling ProductsCargo Rack|Racks|Exterior Parts & Car CareJeep Off-Road Parts & AccessoriesJeep Off-Road Parts & AccessoriesJEEP WRANGLER JKJeep Wrangler JK Off-Road Parts & AccessoriesJeep Wrangler Off-Road Parts & AccessoriesNewest Off-Road Products | Tacoma, 4Runner, Tundra, GX, Bronco
Easily and securely mount a CB antenna to your Alta Cargo Rack with this JK: Alta CB Antenna Mount Kit. Features: Bracket is CNC...
Best Selling ProductsJeep Off-Road Parts & AccessoriesJeep Off-Road Parts & AccessoriesJEEP WRANGLER JKJeep Wrangler JK Off-Road Parts & AccessoriesJeep Wrangler Off-Road Parts & AccessoriesNewest Off-Road Products | Tacoma, 4Runner, Tundra, GX, BroncoSpare Tire Carrier|Rear Bumpers|Bumpers|Bumpers & Armor|Exterior Parts & Car Care
Chrysler's part number1 preferred spare tire carrier! In addition to engineering world-class premium suspension systems, TeraFlex has set the standard for Jeep Wrangler and...
Best Selling ProductsJeep Off-Road Parts & AccessoriesJeep Off-Road Parts & AccessoriesJEEP WRANGLER JKJeep Wrangler JK Off-Road Parts & AccessoriesJeep Wrangler Off-Road Parts & AccessoriesNewest Off-Road Products | Tacoma, 4Runner, Tundra, GX, BroncoRoof Rack|Racks|Exterior Parts & Car Care
The purpose-built TeraFlex JK 2-Door Nebo Roof Rack System incorporates OEM aesthetics and styling with rugged performance to increase cargo carrying capacity for your...
Best Selling ProductsJeep Off-Road Parts & AccessoriesJeep Off-Road Parts & AccessoriesJEEP WRANGLER JKJeep Wrangler JK Off-Road Parts & AccessoriesJeep Wrangler Off-Road Parts & AccessoriesNewest Off-Road Products | Tacoma, 4Runner, Tundra, GX, BroncoRoof Rack|Racks|Exterior Parts & Car Care
The purpose-built TeraFlex JK 2-Door Nebo Roof Rack System incorporates OEM aesthetics and styling with rugged performance to increase cargo carrying capacity for your...
Best Selling ProductsJeep Off-Road Parts & AccessoriesJeep Off-Road Parts & AccessoriesJEEP WRANGLER JKJeep Wrangler JK Off-Road Parts & AccessoriesJeep Wrangler Off-Road Parts & AccessoriesNewest Off-Road Products | Tacoma, 4Runner, Tundra, GX, BroncoRoof Rack|Racks|Exterior Parts & Car Care
Do you have a Hi-Lift Jack and a RotopaX container? This simple universal RotopaX Mount Bracket bolts to the jack leg and will carry...
Best Selling ProductsJeep Off-Road Parts & AccessoriesJeep Off-Road Parts & AccessoriesJEEP WRANGLER JKJeep Wrangler JK Off-Road Parts & AccessoriesJeep Wrangler Off-Road Parts & AccessoriesNewest Off-Road Products | Tacoma, 4Runner, Tundra, GX, BroncoRoof Rack|Racks|Exterior Parts & Car Care
The purpose-built TeraFlex JK 2-Door Nebo Roof Rack 4-Piece Cargo Slat Kit adds even more utility and versatility to our Nebo Roof Rack Main...
Best Selling ProductsJeep Off-Road Parts & AccessoriesJeep Off-Road Parts & AccessoriesJEEP WRANGLER JKJeep Wrangler JK Off-Road Parts & AccessoriesJeep Wrangler Off-Road Parts & AccessoriesNewest Off-Road Products | Tacoma, 4Runner, Tundra, GX, BroncoRoof Rack|Racks|Exterior Parts & Car Care
This is a replacement slat for the black Nebo Roof Rack JK 2-Door 4-Piece Cargo Slat Kit (P/N 4722062) or JKU 4-Door 6-Piece Cargo...
Best Selling ProductsJeep Off-Road Parts & AccessoriesJeep Off-Road Parts & AccessoriesJEEP WRANGLER JKJeep Wrangler JK Off-Road Parts & AccessoriesJeep Wrangler Off-Road Parts & AccessoriesNewest Off-Road Products | Tacoma, 4Runner, Tundra, GX, BroncoRoof Rack|Racks|Exterior Parts & Car Care
The purpose-built TeraFlex JK 2-Door Nebo Roof Rack 4-Piece Cargo Slat Kit adds even more utility and versatility to our Nebo Roof Rack Main...
Best Selling ProductsJeep Off-Road Parts & AccessoriesJeep Off-Road Parts & AccessoriesJEEP WRANGLER JKJeep Wrangler JK Off-Road Parts & AccessoriesJeep Wrangler Off-Road Parts & AccessoriesNewest Off-Road Products | Tacoma, 4Runner, Tundra, GX, BroncoRoof Rack|Racks|Exterior Parts & Car Care
This is a replacement slat for the Nebo Roof Rack JK 2-Door 4-Piece Cargo Slat Kit (P/N 4722052) or JKU 4-Door 6-Piece Cargo Slat...
Best Selling ProductsCoil Springs|Springs|Suspension|Suspension / Steering / BrakesJeep Off-Road Parts & AccessoriesJeep Off-Road Parts & AccessoriesJEEP WRANGLER JKJeep Wrangler JK Off-Road Parts & AccessoriesJeep Wrangler Off-Road Parts & AccessoriesNewest Off-Road Products | Tacoma, 4Runner, Tundra, GX, Bronco
Dedicated overland travel requires unique spring rates to handle heavy loads and continuous mechanical resonance compared to standard coil spring rates. That's why we...
Best Selling ProductsCoil Springs|Springs|Suspension|Suspension / Steering / BrakesJeep Off-Road Parts & AccessoriesJeep Off-Road Parts & AccessoriesJEEP WRANGLER JKJeep Wrangler JK Off-Road Parts & AccessoriesJeep Wrangler Off-Road Parts & AccessoriesNewest Off-Road Products | Tacoma, 4Runner, Tundra, GX, Bronco
Dedicated overland travel requires unique spring rates to handle heavy loads and continuous mechanical resonance compared to standard coil spring rates. That's why we...
Best Selling ProductsCoil Springs|Springs|Suspension|Suspension / Steering / BrakesJeep Off-Road Parts & AccessoriesJeep Off-Road Parts & AccessoriesJEEP WRANGLER JKJeep Wrangler JK Off-Road Parts & AccessoriesJeep Wrangler Off-Road Parts & AccessoriesNewest Off-Road Products | Tacoma, 4Runner, Tundra, GX, Bronco
Dedicated overland travel requires unique spring rates to handle heavy loads and continuous mechanical resonance compared to standard coil spring rates. That's why we...
Best Selling ProductsCoil Springs|Springs|Suspension|Suspension / Steering / BrakesJeep Off-Road Parts & AccessoriesJeep Off-Road Parts & AccessoriesJEEP WRANGLER JKJeep Wrangler JK Off-Road Parts & AccessoriesJeep Wrangler Off-Road Parts & AccessoriesNewest Off-Road Products | Tacoma, 4Runner, Tundra, GX, Bronco
Dedicated overland travel requires unique spring rates to handle heavy loads and continuous mechanical resonance compared to standard coil spring rates. That's why we...
Best Selling ProductsCoil Springs|Springs|Suspension|Suspension / Steering / BrakesJeep Off-Road Parts & AccessoriesJeep Off-Road Parts & AccessoriesJEEP WRANGLER JKJeep Wrangler JK Off-Road Parts & AccessoriesJeep Wrangler Off-Road Parts & AccessoriesNewest Off-Road Products | Tacoma, 4Runner, Tundra, GX, Bronco
TeraFlex JK/JKU Lift Coil Springs are perfectly engineered for your TeraFlex JK/JKU Lift Coil Springs are perfectly engineered for your JK Jeep Wrangler or...
Best Selling ProductsJeep Off-Road Parts & AccessoriesJeep Off-Road Parts & AccessoriesJEEP WRANGLER JKJeep Wrangler JK Off-Road Parts & AccessoriesJeep Wrangler Off-Road Parts & AccessoriesLicense Plate Bracket|License Plate|Exterior Parts & Car CareNewest Off-Road Products | Tacoma, 4Runner, Tundra, GX, Bronco
This JK: Alpha License Plate and 3rd Brake Light Mount Bracket Kit relocates your license plate and 3rd brake light from their vulnerable stock...
Best Selling ProductsHydraulic Ram Kit|Steering|Suspension / Steering / BrakesJeep Off-Road Parts & AccessoriesJeep Off-Road Parts & AccessoriesJEEP WRANGLER JKJeep Wrangler JK Off-Road Parts & AccessoriesJeep Wrangler Off-Road Parts & AccessoriesNewest Off-Road Products | Tacoma, 4Runner, Tundra, GX, Bronco
Easily adjust toe setting, differential clearance, and lock-to-lock steering position with the TeraFlex JK: Hydraulic Ram Assist HD Tie Rod Clamp. This clamp also...
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