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...

53 products found in Hardcore Upgrades

Adjustable Control Arms | Rear Upper | Wrangler JK
  • $350.85

Suspension Parts & More

JKS1665

Adjustable Control Arms | Front Upper | Wrangler TJ / LJ Cherokee XJ / Comanche MJ / Grand Cherokee ZJ and WJ
  • $292.55

Suspension Parts & More

JKS1652

Front Adjustable Coil Spacer with Bump Stop | ACOS | Wrangler JL and Gladiator JT
  • $327.75

Suspension Parts & More

JKS2211

Adjustable Control Arms | Front Lower | Wrangler JL and Gladiator JT
  • $409.15

Suspension Parts & More

JKS1625

Adjustable Control Arms | Front Upper | Wrangler JK
  • $350.85

Suspension Parts & More

JKS1615

Adjustable Control Arms | Front Lower | Wrangler JK
  • $409.15

Suspension Parts & More

JKS1610

Adjustable Control Arms | Lower | Wrangler TJ & LJ, Cherokee XJ
  • $409.15

Suspension Parts & More

JKS1650

Front Adjustable Coil Spacer | ACOS | Wrangler TJ & LJ, Cherokee XJ, Comanche MJ, Grand Cherokee ZJ
  • $304.65

Suspension Parts & More

JKS2200

Adjustable Control Arms | Front Upper | Wrangler JL and Gladiator JT
  • $333.25

Suspension Parts & More

JKS1616

Adjustable Control Arms | Rear Lower | Wrangler JK
  • $409.15

Suspension Parts & More

JKS1660

HD Leaf Spring Shackle | Cherokee XJ, Comanche MJ, Wagoneer SJ
  • $129.75

Suspension Parts & More

JKSOGS651

Adjustable Coil Spacer with Bump Stop | ACOS Pro | Wrangler TJ & LJ, Cherokee XJ, Comanche MJ, Grand Cherokee ZJ
  • $1,032.85

Suspension Parts & More

JKS2700

Adjustable Control Arms | Rear Upper | Wrangler TJ, LJ Grand Cherokee ZJ
  • $350.85

Suspension Parts & More

JKS1655

Adjustable Control Arms | Rear Upper | Gladiator JT
  • $350.85

Suspension Parts & More

JKS1667

3.5" Lift Kit | J-Krawl | Wrangler JK 4-Door
  • From $0.00

Lift Kits/Suspension Systems

JSPEC151KFA

Rear Adjustable Coil Spacer| ACOS | Wrangler JK
  • $437.75

Suspension Parts & More

JKS2570