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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...

55 products found in Hardcore Upgrades

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

3.5" Lift Kit | J-Max | Wrangler JL
  • $7,754.50
Brand: JKS
SKU: JSPEC129KFC

FOX 2.5 Reservoir Front Shocks Adjustable | Performance Elite | 2-3" Lift | Wrangler JL
  • $1,499.95
Brand: FOX Factory
SKU: FOX88326050

Coilover Conversion Kit with FOX 2.5 DSC Shocks | Front | Wrangler JL + Gladiator JT
  • $3,009.85
Brand: JKS
SKU: JSPEC5000K

FOX 3.0 Internal Bypass Reservoir Front Shocks Adjustable | Factory Race | 2-3" Lift | Wrangler JL
  • $2,999.95
Brand: FOX Factory
SKU: FOX88326057

FOX 2.5 Reservoir Front Shocks Adjustable | Performance Elite | 3.5" - 4" Lift | Wrangler JL
  • $1,499.95
Brand: FOX Factory
SKU: FOX88326051

2" Lift Kit | J-Krawl | Wrangler 4xe (JL) 4-Door
  • From $2,834.45
Brand: JKS
SKU: JSPEC175KFA

J-Link Adjustable Control Arms | Rear Upper | Gladiator JT
  • $399.95
Brand: JKS
SKU: JKS1637