Upgrade your Jeep Wrangler TJ (1997–2006) with high-quality off-road parts and accessories designed for strength, performance, and rugged style. Whether you’re restoring a classic trail rig or building a capable crawler, Underdog Motorsports has the gear to get your TJ ready for adventure.
Our selection includes lift kits, suspension components, control arms, off-road bumpers, skid plates, wheels, tires, lighting, and recovery gear—all from top-tier brands known for Jeep performance.
Bring your TJ to life with parts built to handle tough terrain while delivering solid ride quality and aggressive looks. Start your Jeep Wrangler TJ build today with help from the off-road experts at Underdog Motorsports
Best Selling ProductsJeep Off-Road Parts & AccessoriesJEEP WRANGLER TJJeep Wrangler TJ Off-Road Parts & AccessoriesLift Kits|Suspension|Suspension / Steering / BrakesNewest Off-Road Products | Tacoma, 4Runner, Tundra, GX, Bronco
The TeraFlex TJ Enduro LCG Long Flexarm Suspension System is designed for the off-road enthusiast who wants to maximize suspension performance with moderate modifications...
Best Selling ProductsJeep Off-Road Parts & AccessoriesJEEP WRANGLER TJJeep Wrangler TJ Off-Road Parts & AccessoriesLift Kits|Suspension|Suspension / Steering / BrakesNewest Off-Road Products | Tacoma, 4Runner, Tundra, GX, Bronco
The TeraFlex TJ Enduro LCG Long Flexarm Suspension System is designed for the off-road enthusiast who wants to maximize suspension performance with moderate modifications...
Best Selling ProductsJeep Off-Road Parts & AccessoriesJEEP WRANGLER TJJeep Wrangler TJ Off-Road Parts & AccessoriesLift Kits|Suspension|Suspension / Steering / BrakesNewest Off-Road Products | Tacoma, 4Runner, Tundra, GX, Bronco
TeraFlex LCG (Low Center-of-Gravity) Long Arm Suspension Systems are engineered for hardcore Jeepers who don't want to give up on-road comfort and control in...
Best Selling ProductsJeep Off-Road Parts & AccessoriesJEEP WRANGLER TJJeep Wrangler TJ Off-Road Parts & AccessoriesLift Kits|Suspension|Suspension / Steering / BrakesNewest Off-Road Products | Tacoma, 4Runner, Tundra, GX, Bronco
TeraFlex LCG (Low Center-of-Gravity) Long Arm Suspension Systems are engineered for hardcore Jeepers who don't want to give up on-road comfort and control in...
Best Selling ProductsJeep Off-Road Parts & AccessoriesJEEP WRANGLER TJJeep Wrangler TJ Off-Road Parts & AccessoriesLift Kits|Suspension|Suspension / Steering / BrakesNewest Off-Road Products | Tacoma, 4Runner, Tundra, GX, Bronco
TeraFlex LCG (Low Center-of-Gravity) Long Arm Suspension Systems are engineered for hardcore Jeepers who don't want to give up on-road comfort and control in...
Best Selling ProductsJeep Off-Road Parts & AccessoriesJEEP WRANGLER TJJeep Wrangler TJ Off-Road Parts & AccessoriesLift Kits|Suspension|Suspension / Steering / BrakesNewest Off-Road Products | Tacoma, 4Runner, Tundra, GX, Bronco
TeraFlex LCG (Low Center-of-Gravity) Long Arm Suspension Systems are engineered for hardcore Jeepers who don't want to give up on-road comfort and control in...
Best Selling ProductsJeep Off-Road Parts & AccessoriesJEEP WRANGLER TJJeep Wrangler TJ Off-Road Parts & AccessoriesLift Kits|Suspension|Suspension / Steering / BrakesNewest Off-Road Products | Tacoma, 4Runner, Tundra, GX, Bronco
TeraFlex LCG (Low Center-of-Gravity) Long Arm Suspension Systems are engineered for hardcore Jeepers who don't want to give up on-road comfort and control in...
Best Selling ProductsJeep Off-Road Parts & AccessoriesJEEP WRANGLER TJJeep Wrangler TJ Off-Road Parts & AccessoriesNewest Off-Road Products | Tacoma, 4Runner, Tundra, GX, BroncoThrottle Lever|Performance
The universal TeraFlex Hand Throttle Cable Kit provides constant idle or speed when off-roading, which is especially useful when the gas, clutch, and brake...
Best Selling ProductsJeep Off-Road Parts & AccessoriesJEEP WRANGLER TJJeep Wrangler TJ Off-Road Parts & AccessoriesNewest Off-Road Products | Tacoma, 4Runner, Tundra, GX, BroncoTrack Bar Bracket|Track Bar|Track Bar / Drop Brackets|Suspension|Suspension / Steering / Brakes
The front axle experiences tremendous amounts of lateral force while turning and those effects increase exponentially during off-road driving. The TeraFlex TJ: Front High...
Best Selling ProductsJeep Off-Road Parts & AccessoriesJEEP WRANGLER TJJeep Wrangler TJ Off-Road Parts & AccessoriesNewest Off-Road Products | Tacoma, 4Runner, Tundra, GX, BroncoSuspension Control Arm|Suspension|Suspension / Steering / Brakes
Upgrade your TJ Wrangler from a lower short flexarm kit to an Enduro LCG (low center-of-gravity) Long Flexarm Suspension System with the TeraFlex TJ...
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, BroncoWheel Adapter|Wheel Spacers and Adapters|Tire & Wheel Accessories|Tire & Wheels
These TeraFlex 1.25 inch Wheel Offset Adapter Kits provide 1.25 inch offset for factory wheels for additional tire clearance when turning. Works with 8...
Best Selling ProductsJeep Off-Road Parts & AccessoriesJEEP WRANGLER TJJeep Wrangler TJ Off-Road Parts & AccessoriesNewest Off-Road Products | Tacoma, 4Runner, Tundra, GX, BroncoWheel Adapter|Wheel Spacers and Adapters|Tire & Wheel Accessories|Tire & Wheels
These TeraFlex 1.25 inch Wheel Offset Adapter Kits provide 1.25 inch offset for factory wheels for additional tire clearance when turning. Works with 8...
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, BroncoWheel Adapter|Wheel Spacers and Adapters|Tire & Wheel Accessories|Tire & Wheels
These TeraFlex 1.25 inch Wheel Offset Adapter Kits provide 1.25 inch offset for factory wheels for additional tire clearance when turning. Works with 8...
Best Selling ProductsD Ring Shackle|Winch Accessories|Winch & RecoveryJeep 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, Bronco
Complete your bumper with these recovery D-Ring Shackles. The zinc plated shackles provide an attachment for connecting looped ends of straps and snatch blocks.Details:...
Best Selling ProductsDisc Brake Upgrade Kit|Brakes|Suspension / Steering / BrakesJeep Off-Road Parts & AccessoriesJEEP WRANGLER TJJeep Wrangler TJ Off-Road Parts & AccessoriesNewest Off-Road Products | Tacoma, 4Runner, Tundra, GX, Bronco
Upgrade your TJ Wrangler's rear drum brakes to disc brakes with this quality TeraFlex TJ Rear Disc Brake Conversion Kit complete with emergency brake...
Best Selling ProductsCoil Springs|Springs|Suspension|Suspension / Steering / BrakesJeep Off-Road Parts & AccessoriesJEEP WRANGLER TJJeep Wrangler TJ Off-Road Parts & AccessoriesNewest Off-Road Products | Tacoma, 4Runner, Tundra, GX, Bronco
TeraFlex TJ/LJ Lift Coil Springs are perfectly engineered for your TJ Jeep Wrangler or LJ Jeep Wrangler Unlimited. Our engineers focused on extensive rate...
Best Selling ProductsCoil Springs|Springs|Suspension|Suspension / Steering / BrakesJeep Off-Road Parts & AccessoriesJEEP WRANGLER TJJeep Wrangler TJ Off-Road Parts & AccessoriesNewest Off-Road Products | Tacoma, 4Runner, Tundra, GX, Bronco
TeraFlex TJ/LJ Lift Coil Springs are perfectly engineered for your TJ Jeep Wrangler or LJ Jeep Wrangler Unlimited. Our engineers focused on extensive rate...
Best Selling ProductsCoil Springs|Springs|Suspension|Suspension / Steering / BrakesJeep Off-Road Parts & AccessoriesJEEP WRANGLER TJJeep Wrangler TJ Off-Road Parts & AccessoriesNewest Off-Road Products | Tacoma, 4Runner, Tundra, GX, Bronco
TeraFlex TJ/LJ Lift Coil Springs are perfectly engineered for your TJ Jeep Wrangler or LJ Jeep Wrangler Unlimited. Our engineers focused on extensive rate...
Best Selling ProductsCoil Springs|Springs|Suspension|Suspension / Steering / BrakesJeep Off-Road Parts & AccessoriesJEEP WRANGLER TJJeep Wrangler TJ Off-Road Parts & AccessoriesNewest Off-Road Products | Tacoma, 4Runner, Tundra, GX, Bronco
TeraFlex TJ/LJ Lift Coil Springs are perfectly engineered for your TJ Jeep Wrangler or LJ Jeep Wrangler Unlimited. Our engineers focused on extensive rate...
Best Selling ProductsCoil Springs|Springs|Suspension|Suspension / Steering / BrakesJeep Off-Road Parts & AccessoriesJEEP WRANGLER TJJeep Wrangler TJ Off-Road Parts & AccessoriesNewest Off-Road Products | Tacoma, 4Runner, Tundra, GX, Bronco
TeraFlex TJ/LJ Lift Coil Springs are perfectly engineered for your TJ Jeep Wrangler or LJ Jeep Wrangler Unlimited. Our engineers focused on extensive rate...
Best Selling ProductsCoil Springs|Springs|Suspension|Suspension / Steering / BrakesJeep Off-Road Parts & AccessoriesJEEP WRANGLER TJJeep Wrangler TJ Off-Road Parts & AccessoriesNewest Off-Road Products | Tacoma, 4Runner, Tundra, GX, Bronco
TeraFlex TJ/LJ Lift Coil Springs are perfectly engineered for your TJ Jeep Wrangler or LJ Jeep Wrangler Unlimited. Our engineers focused on extensive rate...
Best Selling ProductsCoil Springs|Springs|Suspension|Suspension / Steering / BrakesJeep Off-Road Parts & AccessoriesJEEP WRANGLER TJJeep Wrangler TJ Off-Road Parts & AccessoriesNewest Off-Road Products | Tacoma, 4Runner, Tundra, GX, Bronco
TeraFlex TJ/LJ Lift Coil Springs are perfectly engineered for your TJ Jeep Wrangler or LJ Jeep Wrangler Unlimited. Our engineers focused on extensive rate...
Best Selling ProductsCoil Springs|Springs|Suspension|Suspension / Steering / BrakesJeep Off-Road Parts & AccessoriesJEEP WRANGLER TJJeep Wrangler TJ Off-Road Parts & AccessoriesNewest Off-Road Products | Tacoma, 4Runner, Tundra, GX, Bronco
TeraFlex TJ/LJ Lift Coil Springs are perfectly engineered for your TJ Jeep Wrangler or LJ Jeep Wrangler Unlimited. Our engineers focused on extensive rate...
Best Selling ProductsJeep Off-Road Parts & AccessoriesJEEP WRANGLER TJJeep Wrangler TJ Off-Road Parts & AccessoriesLift Kit Components|Lift Kits|Suspension|Suspension / Steering / BrakesNewest Off-Road Products | Tacoma, 4Runner, Tundra, GX, Bronco
Proper bump stop length and/or bump stop strike pad height is crucial for preventing damage to suspension components, shock absorbers, and fenders. Sold in...
Best Selling ProductsBump Stops|Suspension|Suspension / Steering / BrakesJeep Off-Road Parts & AccessoriesJEEP WRANGLER TJJeep Wrangler TJ Off-Road Parts & AccessoriesNewest Off-Road Products | Tacoma, 4Runner, Tundra, GX, Bronco
Proper bump stop length and/or bump stop strike pad height is crucial for preventing damage to suspension components, shock absorbers, and fenders. TeraFlex Upper...
Best Selling ProductsBump Stops|Suspension|Suspension / Steering / BrakesJeep Off-Road Parts & AccessoriesJEEP WRANGLER TJJeep Wrangler TJ Off-Road Parts & AccessoriesNewest Off-Road Products | Tacoma, 4Runner, Tundra, GX, Bronco
Proper bump stop length and/or bump stop strike pad height is crucial for preventing damage to suspension components, shock absorbers, and fenders. TeraFlex Upper...
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