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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

3.5" Lift Kit | J-Max | Wrangler JK
  • $6,273.57
Brand: JKS
SKU: JSPEC153KF

2.5" Lift Kit | J-Krawl | Wrangler JL 4-door
  • From $2,834.45
Brand: JKS
SKU: JSPEC126KFP

FOX 2.5 Front Shocks w/ DSC Reservoir | 4.5-6 Inch Lift | Performance Elite Series | Jeep Wrangler JK (07-18)
  • $1,499.95
Brand: FOX
SKU: FOX88326093

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

1.5" Lift Kit | FOX 2.5 IFP Shocks | J-Spec System | Jeep Wrangler JL
  • $1,699.90
Brand: JKS
SKU: JSPEC155PS

Coilover Conversion Kit with FOX 2.5 DSC Shocks | Rear | Wrangler JL
  • $2,756.90
Brand: JKS
SKU: JSPEC5001K

FOX 2.5 Reservoir Rear Shocks Adjustable | Performance Elite | 3.5" - 4" Lift | Wrangler JL
  • $1,449.95
Brand: FOX
SKU: FOX88326055