JKS Manufacturing

Reinforce the drivetrain of your Jeep Wrangler YJ with a 4x4 Posi-Lok heavy duty shift fork. Features a heavy-duty aluminum shift fork with pads. Replaces the OEM shift fork and works with Dana 30...

Perm-Lok permanently engages the Central Axle Disconnect (CAD) system by coupling both front axles. Once installed, front axles will not pull until the transfer case in engaged. The design is ideal...

Replace your Jeep Wrangler vacuum-actuated axle engagement with a 4x4 Posi-Lok. Fits 0"-3” lift Wrangler YJs. The cable-operated actuator puts you in control of axle engagement from inside...

Replace your Jeep Wrangler vacuum-actuated axle engagement with a 4x4 Posi-Lok. Fits 3”-plus lifted Wrangler YJs. The cable-operated actuator puts you in control of axle engagement from inside...

Dial in ride height on your Jeep Wrangler TJ or LJ with JKS ACOS adjustable front coil spring spacers. The range of ride height adjustment is from 1-1/2" to 3-3/4" -- without taking apart...

Dial in ride height on your Jeep Wrangler JK with JKS ACOS adjustable front coil spring spacers. The range of ride height adjustment is from 1-1/2" to 3-3/4" -- without taking apart...

Fine tune your Jeep Wrangler JL or Gladiator ride height with JKS front adjustable coil spring spacers (ACOS). ACOS feature adjustable collars along with built in bump stops. Whether you added some...

Fine tune your Jeeps off road suspension with the JKS adjustable coil spring spacers with built in hydraulic bump stops. Adjusting ride height to compensate for some additional weight, or a new set...

Fine tune your Jeep off road suspension with the JKS adjustable coil spring spacers with built in hydraulic bump stops. Adjusting ride height to compensate for some additional weight, or a new set of...

Dial in ride height on your Jeep Wrangler TJ or LJ with JKS ACOS adjustable rear coil spring spacers. The range of ride height adjustment is from 1-1/2" to 3-3/4" -- without taking apart...

Fine tune your Jeep Wrangler JK's ride height with JKS rear adjustable coil spring spacers (ACOS). ACOS feature adjustable collars along with built in bump stops. Whether you added some extra weight,...

Fine tune your Jeep Wrangler JL ride height with JKS rear adjustable coil spring spacers (ACOS). ACOS feature adjustable collars along with built in bump stops. Whether you added some extra weight, a...

Upgrade your Jeep Wrangler JK’s performance and reliability with JKS J-Flex adjustable front lower control arms. CNC-bent from stout DOM tubing, the fully adjustable design allows you to...

Upgrade your JK Wrangler's off-road capability with JKS J-Flex adjustable front upper Control Arms. CNC-bent from DOM tubing for proper tire, frame and axle mount clearance, J-Flex control arms...

Enhance the ride quality and driving comfort of your Jeep Wrangler JL or Gladiator JT with JKS J-FLEX front upper adjustable control arms. They make it easy to dial in correct geometry and also...