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

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

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 | Gladiator JT
  • $318.95
Brand: JKS
SKU: JKS1667

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

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

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

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

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