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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...

71 products found in Hardcore Upgrades

D-Ring Shackle with Isolator | 3/4-in
  • $12.99
Brand: CrawlTek
SKU: CWLTW08101

FOX 2.5 Rear Coilover Shocks w/ DSC | Factory Race | Wrangler JK
  • $1,587.96
Brand: FOX
SKU: FOX88406177

Front Adjustable Coil Spacer with Hydraulic Bump Stop | ACOS Pro | Wrangler JL and Gladiator JT
  • $901.95
Brand: JKS
SKU: JKS2711

FOX 2.5 IFP Rear Shock - Single | Performance Series | 2-3.5" Lift | Jeep Wrangler JL
  • $259.00
Brand: FOX
SKU: FOX98624155

2.5" Lift Kit | J-Krawl | Wrangler JK 4-door
  • From $2,727.50
Brand: JKS
SKU: JSPEC149KFA

Rear Adjustable Coil Spacer | ACOS | Wrangler TJ & LJ
  • $276.95
Brand: JKS
SKU: JKS2550

J-Link Adjustable Control Arms | Rear Lower | Wrangler JK/JL
  • $399.95
Brand: JKS
SKU: JKS1636

FOX 2.5 Reservoir Rear Shocks Adjustable | Performance Elite | 2-3" Lift | Wrangler JL
  • $1,599.95
Brand: FOX
SKU: FOX88326054

Rear Adjustable Coil Spacer| ACOS | Wrangler JK
  • $397.95
Brand: JKS
SKU: JKS2570

J-Link Adjustable Control Arms | Front Upper | Wrangler JL & Gladiator JT
  • $349.95
Brand: JKS
SKU: JKS1634

1.5" J-Spec Lift Kit | FOX 2.5 IFP Shocks | Wrangler JL
  • $1,965.85
Brand: JKS
SKU: JSPEC177PS

Front Adjustable Coil Spacer Pro | Wrangler JK
  • $901.95
Brand: JKS
SKU: JKS2710

J-Link Adjustable Control Arms | Rear Lower | Gladiator JT
  • $399.95
Brand: JKS
SKU: JKS1638

J-Link Adjustable Control Arms | Lower | Wrangler TJ & LJ, Cherokee XJ
  • $399.95
Brand: JKS
SKU: JKS1630

J-Link Adjustable Control Arms | Front Lower | Wrangler JL
  • $399.95
Brand: JKS
SKU: JKS1632

3.5" Lift Kit | J-Krawl | Wrangler JL 4-Door
  • From $2,834.45
Brand: JKS
SKU: JSPEC161KFP