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 & AccessoriesLift Kits|Suspension|Suspension / Steering / BrakesNewest Off-Road Products | Tacoma, 4Runner, Tundra, GX, Bronco
TeraFlex Alpine CT (Cross-Trail) Suspension Systems build on our Sport ST (Street and Trail) Suspension Systems. The TeraFlex 6 inch Alpine CT6 Long Arm...
Best Selling ProductsJeep Off-Road Parts & AccessoriesJeep Off-Road Parts & AccessoriesJEEP WRANGLER JKJeep Wrangler JK Off-Road Parts & AccessoriesJeep Wrangler Off-Road Parts & AccessoriesLift Kits|Suspension|Suspension / Steering / BrakesNewest Off-Road Products | Tacoma, 4Runner, Tundra, GX, Bronco
Give your JK Wrangler/Unlimited some attitude with the TeraFlex JK: 1.5 inch Performance Spacer Lift Kit. This affordable kit corrects the factory nose-down rake...
Best Selling ProductsBrakes|Suspension / Steering / BrakesJeep Gladiator JT Off-Road Parts & AccessoriesJeep Off-Road Parts & AccessoriesJeep Off-Road Parts & AccessoriesJEEP WRANGLER JKJeep Wrangler JK Off-Road Parts & AccessoriesJEEP WRANGLER JLJeep Wrangler JL Off-Road Parts & AccessoriesJEEP WRANGLER JTJEEP WRANGLER JTJeep Wrangler Off-Road Parts & AccessoriesNewest Off-Road Products | Tacoma, 4Runner, Tundra, GX, Bronco
The TeraFlex Delta Brake System is the ultimate upgrade for JL and JK Wrangler/Unlimited and JT Gladiator models with oversized and heavier wheels/tire combos...
Best Selling ProductsBrakes|Suspension / Steering / BrakesJeep Gladiator JT Off-Road Parts & AccessoriesJeep Off-Road Parts & AccessoriesJeep Off-Road Parts & AccessoriesJEEP WRANGLER JKJeep Wrangler JK Off-Road Parts & AccessoriesJEEP WRANGLER JLJeep Wrangler JL Off-Road Parts & AccessoriesJEEP WRANGLER JTJEEP WRANGLER JTJeep Wrangler Off-Road Parts & AccessoriesNewest Off-Road Products | Tacoma, 4Runner, Tundra, GX, Bronco
The TeraFlex Delta Brake System is the ultimate upgrade for JL and JK Wrangler/Unlimited and JT Gladiator models with oversized and heavier wheels/tire combos...
Axle Housing|Axle|Differential|Drivetrain & DifferentialsBest 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, Bronco
TeraFlex HD Front Axle Housings are perfect for replacing bent, broken, or damaged axles in JK Wrangler/Unlimited vehicles including Rubicon models. Can also be...
Axle Housing|Axle|Differential|Drivetrain & DifferentialsBest 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, Bronco
TeraFlex JK Front Tera44 TF44 Replacement Axle Housings include a heavy-duty housing with Axle tubes, bracketry, and forged inner knuckles, pre-installed inner seals and...
Axle Housing|Axle|Differential|Drivetrain & DifferentialsBest 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, Bronco
TeraFlex JK Front Tera44 TF44 Replacement Axle Housings include a heavy-duty housing with Axle tubes, bracketry, and forged inner knuckles, pre-installed inner seals and...
Axle Housing|Axle|Differential|Drivetrain & DifferentialsBest 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, Bronco
TeraFlex JK Front Tera44 TF44 Replacement Axle Housings include a heavy-duty housing with Axle tubes, bracketry, and forged inner knuckles, pre-installed inner seals and...
Axle Housing|Axle|Differential|Drivetrain & DifferentialsBest 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, Bronco
TeraFlex JK Front Tera44 TF44 Replacement Axle Housings include a heavy-duty housing with Axle tubes, bracketry, and forged inner knuckles, pre-installed inner seals and...
Axle Housing|Axle|Differential|Drivetrain & DifferentialsBest 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, Bronco
TeraFlex JK Front Tera44 R44 Rubicon Replacement Axle Housings include a heavy-duty housing with axle tubes, bracketry, and forged inner knuckles, pre-installed inner seals...
Axle Housing|Axle|Differential|Drivetrain & DifferentialsBest 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, Bronco
TeraFlex JK Front Tera44 R44 Rubicon Replacement Axle Housings include a heavy-duty housing with axle tubes, bracketry, and forged inner knuckles, pre-installed inner seals...
Axle Housing|Axle|Differential|Drivetrain & DifferentialsBest 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, Bronco
TeraFlex JK Front Tera44 R44 Rubicon Replacement Axle Housings include a heavy-duty housing with axle tubes, bracketry, and forged inner knuckles, pre-installed inner seals...
Axle Housing|Axle|Differential|Drivetrain & DifferentialsBest 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, Bronco
TeraFlex JK Front Tera44 R44 Rubicon Replacement Axle Housings include a heavy-duty housing with axle tubes, bracketry, and forged inner knuckles, pre-installed inner seals...
Axle Housing|Axle|Differential|Drivetrain & DifferentialsBest 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, Bronco
TeraFlex JK Front Tera44 R44 Rubicon Replacement Axle Housings include a heavy-duty housing with axle tubes, bracketry, and forged inner knuckles, pre-installed inner seals...
Best Selling ProductsJeep Off-Road Parts & AccessoriesJeep Off-Road Parts & AccessoriesJEEP WRANGLER JKJeep Wrangler JK Off-Road Parts & AccessoriesJEEP WRANGLER JLJeep Wrangler JL Off-Road Parts & AccessoriesJeep Wrangler Off-Road Parts & AccessoriesNewest Off-Road Products | Tacoma, 4Runner, Tundra, GX, BroncoTire Valve Stem|Tire & Wheel Accessories|Tire & Wheels
Our TeraFlex Nomad Schrader Valve Stem Housing and Cap screws into the TeraFlex Nomad Off-Road Wheel's modular plug system. The fully encapsulated valve 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, BroncoSteering Stabilizer|Steering|Suspension / Steering / Brakes
Engineered specifically for the JK Wrangler, the Falcon Nexus EF (Equal Force) 2.2 Steering Stabilizer provides balanced and controlled side-to-side steering response with a...
Best Selling ProductsJeep Off-Road Parts & AccessoriesJeep Off-Road Parts & AccessoriesJEEP WRANGLER JKJeep Wrangler JK Off-Road Parts & AccessoriesJeep Wrangler Off-Road Parts & AccessoriesJEEP WRANGLER TJJeep Wrangler TJ Off-Road Parts & AccessoriesNewest Off-Road Products | Tacoma, 4Runner, Tundra, GX, BroncoSteering Stabilizer|Steering|Suspension / Steering / Brakes
The Falcon JK/JKU Nexus EF 2.2 Fast Adjust Steering Stabilizer offer a wide range of adjustability with its three-position Fast Adjust Knob featuring soft,...
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, BroncoSkid Plates|Armor|Bumpers & Armor|Exterior Parts & Car Care
Although our JK/JKU Falcon Performance Shock are designed to take a beating with their nearly indestructible hard anodized 6061-T6 aluminum construction, we offer bolt-on...
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, BroncoSkid Plates|Armor|Bumpers & Armor|Exterior Parts & Car Care
Although our JK/JKU Falcon Performance Shock are designed to take a beating with their nearly indestructible hard anodized 6061-T6 aluminum construction, we offer JK/JKU...
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, BroncoSuspension Control Arm|Suspension|Suspension / Steering / Brakes
TeraFlex JK: Alpine IR Short Control Arms provide complete alignment adjustability and dependability for maximum performance on JK Wrangler/Unlimited models with 2-4 inch lifts....
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, BroncoSuspension Control Arm|Suspension|Suspension / Steering / Brakes
TeraFlex JK: Alpine IR Short Control Arms provide complete alignment adjustability and dependability for maximum performance on JK Wrangler/Unlimited models with 2-4 inch lifts....
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, BroncoSuspension Control Arm|Suspension|Suspension / Steering / Brakes
TeraFlex JK: Alpine IR Short Control Arms provide complete alignment adjustability and dependability for maximum performance on JK Wrangler/Unlimited models with 2-4 inch lifts....
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, BroncoSuspension Control Arm|Suspension|Suspension / Steering / Brakes
TeraFlex JK: Alpine IR Short Control Arms provide complete alignment adjustability and dependability for maximum performance on JK Wrangler/Unlimited models with 2-4 inch lifts....
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, BroncoSuspension Control Arm|Suspension|Suspension / Steering / Brakes
TeraFlex JK: Alpine IR Short Control Arms provide complete alignment adjustability and dependability for maximum performance on JK Wrangler/Unlimited models with 2-4 inch lifts....
Best Selling ProductsJeep Off-Road Parts & AccessoriesJeep Off-Road Parts & AccessoriesJEEP WRANGLER JKJeep Wrangler JK Off-Road Parts & AccessoriesJeep Wrangler Off-Road Parts & AccessoriesJEEP WRANGLER TJJeep Wrangler TJ Off-Road Parts & AccessoriesNewest Off-Road Products | Tacoma, 4Runner, Tundra, GX, BroncoShock Absorber|Shocks|Suspension|Suspension / Steering / Brakes
TJ Falcon Series 3 Piggyback Shock Absorbers feature a fixed rate with increased capacity for the oil and gas charge allowing for better performance...
Best Selling ProductsJeep Off-Road Parts & AccessoriesJeep Off-Road Parts & AccessoriesJEEP WRANGLER JKJeep Wrangler JK Off-Road Parts & AccessoriesJeep Wrangler Off-Road Parts & AccessoriesLong Arm Upgrade Kits|Lift Kits|Suspension|Suspension / Steering / BrakesNewest Off-Road Products | Tacoma, 4Runner, Tundra, GX, Bronco
TeraFlex JK: Alpine IR Long Control Arms and Alpine Long Arm Brackets (Not Included) provide complete alignment adjustability for maximum performance on JK 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 & AccessoriesLong Arm Upgrade Kits|Lift Kits|Suspension|Suspension / Steering / BrakesNewest Off-Road Products | Tacoma, 4Runner, Tundra, GX, Bronco
TeraFlex JK: Alpine IR Long Control Arms and Alpine Long Arm Brackets (Not Included) provide complete alignment adjustability for maximum performance on JK 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 & AccessoriesLong Arm Upgrade Kits|Lift Kits|Suspension|Suspension / Steering / BrakesNewest Off-Road Products | Tacoma, 4Runner, Tundra, GX, Bronco
TeraFlex JK: Alpine IR Long Control Arms and Alpine Long Arm Brackets (Not Included) provide complete alignment adjustability for maximum performance on JK 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 & AccessoriesLong Arm Upgrade Kits|Lift Kits|Suspension|Suspension / Steering / BrakesNewest Off-Road Products | Tacoma, 4Runner, Tundra, GX, Bronco
TeraFlex JK: Alpine IR Long Control Arms and Alpine Long Arm Brackets (Not Included) provide complete alignment adjustability for maximum performance on JK 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 & AccessoriesLong Arm Upgrade Kits|Lift Kits|Suspension|Suspension / Steering / BrakesNewest Off-Road Products | Tacoma, 4Runner, Tundra, GX, Bronco
TeraFlex JK: Alpine IR Long Control Arms and Alpine Long Arm Brackets (Not Included) provide complete alignment adjustability for maximum performance on JK 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 & AccessoriesLong Arm Upgrade Kits|Lift Kits|Suspension|Suspension / Steering / BrakesNewest Off-Road Products | Tacoma, 4Runner, Tundra, GX, Bronco
TeraFlex JK: Alpine IR Long Control Arms and Alpine Long Arm Brackets provide complete alignment adjustability and dependability for maximum performance on JK 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 & AccessoriesLong Arm Upgrade Kits|Lift Kits|Suspension|Suspension / Steering / BrakesNewest Off-Road Products | Tacoma, 4Runner, Tundra, GX, Bronco
TeraFlex Alpine RT (Rogue Trail) Suspension Systems build on our already capable Alpine CT (Cross-Trail) Suspension Systems. These systems include all our top-of-the-line components....
Best Selling ProductsJeep Off-Road Parts & AccessoriesJeep Off-Road Parts & AccessoriesJEEP WRANGLER JKJeep Wrangler JK Off-Road Parts & AccessoriesJeep Wrangler Off-Road Parts & AccessoriesLong Arm Upgrade Kits|Lift Kits|Suspension|Suspension / Steering / BrakesNewest Off-Road Products | Tacoma, 4Runner, Tundra, GX, Bronco
TeraFlex Alpine RT (Rogue Trail) Suspension Systems build on our already capable Alpine CT (Cross-Trail) Suspension Systems. These systems include all our top-of-the-line components....
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