Hardcore Upgrades
Hardcore Upgrades

Hardcore Upgrades

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...

  • 10
  • 15
  • 20
  • 25
  • 30
  • 50

Sort by:

  • Featured
  • Most relevant
  • Best selling
  • Alphabetically, A-Z
  • Alphabetically, Z-A
  • Price, low to high
  • Price, high to low
  • Date, old to new
  • Date, new to old
  • https://serenity-foxfactory.asset.akeneo.cloud/fox_asset_family/media/JKS1637_03.jpghttps://serenity-foxfactory.asset.akeneo.cloud/fox_asset_family/media/JKS1637_01.jpg
    JKS Manufacturing
    JKS Manufacturing
    J-Link Adjustable Control Arms | Rear Upper | Gladiator JT SKU: JKS1637
    Enhance your Jeep™s off-road prowess and reliability with JKS J-Link Adjustable Control Arms - now available with premium rubber bushings! Engineered specifically to reduce NVH characteristics (Noise, vibration, harshness), these factory style maintenance-free rubber bushings come pre-installed at both ends and will ensure a...
    $399.95
  • https://serenity-foxfactory.asset.akeneo.cloud/fox_asset_family/media/JKS1639_03.jpghttps://serenity-foxfactory.asset.akeneo.cloud/fox_asset_family/media/JKS1639_04.jpg
    JKS Manufacturing
    JKS Manufacturing
    J-Link Adjustable Control Arms | Rear Upper | Wrangler JK & JL SKU: JKS1639
    Enhance your Jeep's off-road prowess and reliability with JKS J-Link Adjustable Control Arms - now available with premium rubber bushings! Engineered specifically to reduce NVH characteristics (Noise, vibration, harshness), these factory style maintenance-free rubber bushings come pre-installed at both ends and will ensure a...
    $399.95
  • https://serenity-foxfactory.asset.akeneo.cloud/fox_asset_family/media/jks_2550_jeep_acos_card.https://serenity-foxfactory.asset.akeneo.cloud/fox_asset_family/media/jks_2200_2210_2550_jeep_acos_rotation_1.
    JKS Manufacturing
    JKS Manufacturing
    Rear Adjustable Coil Spacer | ACOS | Wrangler TJ & LJ SKU: JKS2550
    Dial in ride height on your Jeep Wrangler TJ or LJ with JKS ACOS adjustable rear coil spring spacers. The range of ride height adjustment is from 2" to 3-3/8" -- without taking apart suspension components. ACOS adjustable coil spring spacers compensate for uneven...
    $276.95
  • https://serenity-foxfactory.asset.akeneo.cloud/fox_asset_family/media/jks_2571_acos_spacers_card.https://serenity-foxfactory.asset.akeneo.cloud/fox_asset_family/media/jks_2571_acos_spacers_rotation_1.
    JKS Manufacturing
    JKS Manufacturing
    Rear Adjustable Coil Spacer| ACOS | Wrangler JK SKU: JKS2570
    Fine tune your Jeep Wrangler JK's ride height with JKS rear adjustable coil spring spacers (ACOS). ACOS feature adjustable collars along with built in bump stops. Whether you added some extra weight, a larger set of tires or just did not quite get enough...
    $397.95
  • https://serenity-foxfactory.asset.akeneo.cloud/fox_asset_family/media/JKS2571_01.jpghttps://serenity-foxfactory.asset.akeneo.cloud/fox_asset_family/media/JKS2571_02.jpg
    JKS Manufacturing
    JKS Manufacturing
    Rear Adjustable Coil Spacer| ACOS | Wrangler JL SKU: JKS2571
    Fine tune your Jeep Wrangler JL ride height with JKS rear adjustable coil spring spacers (ACOS). ACOS feature adjustable collars along with built in bump stops. Whether you added some extra weight, a larger set of tires or just did not quite get enough...
    $397.95
  • https://serenity-foxfactory.asset.akeneo.cloud/fox_asset_family/media/jks_1600_jeep_spring_retainer_card.
    JKS Manufacturing
    JKS Manufacturing
    Rear Coil Spring Retainer | Wrangler JK SKU: JKS1600
    Rear Coil Spring Retainers are an important safety upgrade for your Jeep Wrangler JK. While longer shocks are likely to increase suspension travel, they can also allow coil springs to become unseated from their axle perches. If you're lucky, you will only be faced...
    $37.95
  • https://serenity-foxfactory.asset.akeneo.cloud/fox_asset_family/media/JKS8309_01.jpghttps://serenity-foxfactory.asset.akeneo.cloud/fox_asset_family/media/JKS8309_02.jpg
    JKS Manufacturing
    JKS Manufacturing
    Rear Lower Shock Skid | Ford Bronco (21-26) | Fits Hitachi Struts and FOX Coilovers Only SKU: JKS8309
    Despite the impressive off-road capability of the new Ford Bronco, the position of the rear lower shock makes them very susceptible to damage. Add some much needed protection with the JKS Rear Lower Shock Skids. These 3/16" steel skids reinforce the factory shock mount...
    $169.95
  • https://serenity-foxfactory.asset.akeneo.cloud/fox_asset_family/media/CWLTW08103_01.jpghttps://serenity-foxfactory.asset.akeneo.cloud/fox_asset_family/media/CWLTW08103_02.jpg
    JKS Manufacturing
    CrawlTek Revolution
    Soft Shackle Rope Pulley SKU: CWLTW08103
    Adding a pulley or snatch block to your winching effort doubles your pulling power. This simple, lightweight and very effective tool replaces cumbersome snatch blocks of the past with a safe and simple solution. For Synthetic Winch lines only.
    $49.99
  • https://serenity-foxfactory.asset.akeneo.cloud/fox_asset_family/media/CWLTW08102_01.jpghttps://serenity-foxfactory.asset.akeneo.cloud/fox_asset_family/media/CWLTW08102_02.jpg
    JKS Manufacturing
    CrawlTek Revolution
    Soft Shackle | 1/2-in SKU: CWLTW08102
    So much strength and safety in a small package. This soft shackle will integrate in your winching and tow-strap situations. 22" in diameter, using 1/2" nylon braid, this soft shackle has a 28,600 lb working limit
    $44.99

FILTER PRODUCTS

FILTER BY