Product Filter

Dominate gnarly obstacles and conquer extreme terrain with hardcore suspension from JKS. Engineered systems and upgrades deliver maximum articulation, durability, adjustability, and clearance.

The range of products includes turn-key suspension systems, custom-tuned JSPEC and FOX shocks and FOX coil-overs, HD track bars and control arms, sway bar disconnects, coil-over mounting kits, and a lot more. JKS engineers its "Go Anywhere" attitude into components that help you push your adventures to extreme levels. 

Here are a few categories to get you started...

22 products found in Hardcore Upgrades

Adjustable Control Arms | Front Upper | Wrangler TJ / LJ Cherokee XJ / Comanche MJ / Grand Cherokee ZJ and WJ
  • $265.95
Brand: JKS
SKU: JKS1652

Adjustable Control Arms | Front Lower | Wrangler JL and Gladiator JT
  • $371.95
Brand: JKS
SKU: JKS1625

Adjustable Control Arms | Lower | Wrangler TJ & LJ, Cherokee XJ
  • $371.95
Brand: JKS
SKU: JKS1650

Adjustable Control Arms | Front Lower | Wrangler JK
  • $371.95
Brand: JKS
SKU: JKS1610

Adjustable Control Arms | Rear Upper | Wrangler JK
  • $318.95
Brand: JKS
SKU: JKS1665

Adjustable Control Arms | Front Upper | Wrangler JK
  • $318.95
Brand: JKS
SKU: JKS1615

Adjustable Control Arms | Rear Lower | Wrangler JK
  • $371.95
Brand: JKS
SKU: JKS1660

Adjustable Control Arms | Rear Upper | Wrangler TJ, LJ Grand Cherokee ZJ
  • $318.95
Brand: JKS
SKU: JKS1655

Adjustable Control Arms | Front Upper | Wrangler JL and Gladiator JT
  • $302.95
Brand: JKS
SKU: JKS1616

Adjustable Control Arms | Rear Lower | Gladiator JT
  • $371.95
Brand: JKS
SKU: JKS1662

Adjustable Control Arms | Rear Upper | Wrangler JL
  • $334.95
Brand: JKS
SKU: JKS1666

Adjustable Control Arms | Rear Upper | Gladiator JT
  • $318.95
Brand: JKS
SKU: JKS1667

J-Link Adjustable Control Arms | Front Upper | Wrangler JK
  • $325.95
Brand: JKS
SKU: JKS1633

Adjustable Control Arms | Rear Lower | Wrangler JL
  • $371.95
Brand: JKS
SKU: JKS1661

J-Link Adjustable Control Arms | Rear Upper | Wrangler JK & JL
  • $399.95
Brand: JKS
SKU: JKS1639

J-Link Adjustable Control Arms | Front Lower | Wrangler JK
  • $399.95
Brand: JKS
SKU: JKS1631