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.

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  • https://serenity-foxfactory.asset.akeneo.cloud/fox_asset_family/media/fox_88326077_01.jpghttps://serenity-foxfactory.asset.akeneo.cloud/fox_asset_family/media/fox_88326077_02.jpg
    JKS Manufacturing
    FOX
    FOX 3.0 Internal Bypass Reservoir Front Shocks Adjustable | Factory Race | 3.5-4.5 Inch Lift | Jeep Wrangler JL (18-26) SKU: FOX88326077
    If you're building the ultimate Jeep Wrangler JL, install FOX Factory Race Series 3.0 Internal Bypass shocks. PN 883-26-077 front position shocks deliver race-dominating, extreme-duty performance on all terrains. Designed for bolt-on installation on Jeep Wrangler JLs with JKS 3.5-4.5" lift kits, the remote...
    $3,359.95
  • https://serenity-foxfactory.asset.akeneo.cloud/fox_asset_family/media/FOX88326058_1.https://serenity-foxfactory.asset.akeneo.cloud/fox_asset_family/media/FOX88326058_3.
    JKS Manufacturing
    FOX
    FOX 3.0 Piggyback Rear Shocks Adjustable | Factory Race Series Internal Bypass | 2-3" Lift | Wrangler JL SKU: FOX88326058
    Developed from our offroad race shocks, FOX Factory Race Series combines raceproven technology with new, cuttingedge features to provide enhanced ridequality and winning damping performance you can bolt onto your Jeep.
    $3,019.95
  • https://serenity-foxfactory.asset.akeneo.cloud/fox_asset_family/media/fox_883_26_057_truck_factory_race_internal_bypass_shock_pr_1600x1600.pnghttps://serenity-foxfactory.asset.akeneo.cloud/fox_asset_family/media/fox_883_26_057_truck_factory_race_internal_bypass_shock_um_1600x1600.png
    JKS Manufacturing
    FOX
    FOX 3.0 Remote Reservoir Front Shocks Adjustable | Factory Race Series Internal Bypass | 2-3 Lift | Gladiator JT SKU: FOX88326080
    Give your Jeep Gladiator JT the edge with the Factory Race Series 3.0 Internal Bypass shock, delivering race-dominating, position-sensitive damping technology and performance in a hassle-free bolt-on kit. This allows for a plush, predictable ride over normal off-road driving conditions with the ability to...
    $3,359.95
  • https://serenity-foxfactory.asset.akeneo.cloud/fox_asset_family/media/fox_883_26_058_truck_factory_race_internal_bypass_shock_pr_1600x1600.pnghttps://serenity-foxfactory.asset.akeneo.cloud/fox_asset_family/media/fox_883_26_058_truck_factory_race_internal_bypass_shock_um_1600x1600.png
    JKS Manufacturing
    FOX
    FOX 3.0 Remote Reservoir Front Shocks Adjustable | Factory Race Series Internal Bypass | 2-3 Lift | Gladiator JT SKU: FOX88326083
    Give your Jeep Gladiator JT the edge with the Factory Race Series 3.0 Internal Bypass shock, delivering race-dominating, position-sensitive damping technology and performance in a hassle-free bolt-on kit. This allows for a plush, predictable ride over normal off-road driving conditions with the ability to...
    $3,139.95
  • https://serenity-foxfactory.asset.akeneo.cloud/fox_asset_family/media/fox_883_26_057_truck_factory_race_internal_bypass_shock_pr_1600x1600.pnghttps://serenity-foxfactory.asset.akeneo.cloud/fox_asset_family/media/fox_883_26_057_truck_factory_race_internal_bypass_shock_op_b_1600x1600.png
    JKS Manufacturing
    FOX
    FOX 3.0 Remote Reservoir Front Shocks Adjustable | Factory Race Series Internal Bypass | 3.5-4.5 Lift | Gladiator JT SKU: FOX88326082
    Give your Jeep Gladiator JT the edge with the Factory Race Series 3.0 Internal Bypass shock, delivering race-dominating, position-sensitive damping technology and performance in a hassle-free bolt-on kit. This allows for a plush, predictable ride over normal off-road driving conditions with the ability to...
    $3,359.95
  • https://serenity-foxfactory.asset.akeneo.cloud/fox_asset_family/media/fox_883_26_058_truck_factory_race_internal_bypass_shock_pr_1600x1600.pnghttps://serenity-foxfactory.asset.akeneo.cloud/fox_asset_family/media/fox_883_26_058_truck_factory_race_internal_bypass_shock_um_1600x1600.png
    JKS Manufacturing
    FOX
    FOX 3.0 Remote Reservoir Rear Shocks Adjustable | Factory Race Series Internal Bypass | 2-3 Lift | Gladiator JT SKU: FOX88326081
    Give your Jeep Gladiator JT the edge with the Factory Race Series 3.0 Internal Bypass shock, delivering race-dominating, position-sensitive damping technology and performance in a hassle-free bolt-on kit. This allows for a plush, predictable ride over normal off-road driving conditions with the ability to...
    $3,089.95
  • https://serenity-foxfactory.asset.akeneo.cloud/fox_asset_family/media/FOX88326057_1.https://serenity-foxfactory.asset.akeneo.cloud/fox_asset_family/media/FOX88326057_2.
    JKS Manufacturing
    FOX
    FOX 3.0 Reservoir Front Shocks Adjustable | Factory Race Series Internal Bypass | 2-3" Lift | Wrangler JL SKU: FOX88326057
    Developed from our offroad race shocks, FOX Factory Race Series combines raceproven technology with new, cuttingedge features to provide enhanced ridequality and winning damping performance you can bolt onto your Jeep.
    $3,359.95
  • https://serenity-foxfactory.asset.akeneo.cloud/fox_asset_family/media/jks_2710_jeep_acos_pro_card.https://serenity-foxfactory.asset.akeneo.cloud/fox_asset_family/media/jks_2710_jeep_acos_pro_rotation_1.
    JKS Manufacturing
    JKS Manufacturing
    Front Adjustable Coil Spacer Pro | Wrangler JK SKU: JKS2710
    Fine tune your JK Wrangler's ride height with JKS adjustable coil spacers (ACOS) with built in hydraulic bump stops. Adjusting ride height to compensate for some additional weight, or a new set of tires has never been easier thanks to our ACOS spring spacers....
    $901.95
  • https://serenity-foxfactory.asset.akeneo.cloud/fox_asset_family/media/jks_2211_jeep_acos_card.
    JKS Manufacturing
    JKS Manufacturing
    Front Adjustable Coil Spacer with Bump Stop | ACOS | Wrangler JL and Gladiator JT SKU: JKS2211
    Fine tune your Jeep Wrangler JL or Gladiator ride height with JKS front 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...
    $297.95
  • https://serenity-foxfactory.asset.akeneo.cloud/fox_asset_family/media/jks2711_jeep_acos_card.https://serenity-foxfactory.asset.akeneo.cloud/fox_asset_family/media/jks2711_jeep_acos_rotation_1.
    JKS Manufacturing
    JKS Manufacturing
    Front Adjustable Coil Spacer with Hydraulic Bump Stop | ACOS Pro | Wrangler JL and Gladiator JT SKU: JKS2711
    Fine tune your Jeep off road suspension with the JKS adjustable coil spring spacers with built in hydraulic bump stops. Adjusting ride height to compensate for some additional weight, or a new set of tires has never been easier thanks to our ACOS spring...
    $901.95
  • https://serenity-foxfactory.asset.akeneo.cloud/fox_asset_family/media/jks_2210_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
    Front Adjustable Coil Spacer | ACOS | Wrangler JK SKU: JKS2210
    Dial in ride height on your Jeep Wrangler JK with JKS ACOS adjustable front coil spring spacers. The range of ride height adjustment is from 1-1/2" to 3-3/4" -- without taking apart suspension components. ACOS adjustable coil spring spacers compensate for uneven load distribution...
    $297.95
  • https://serenity-foxfactory.asset.akeneo.cloud/fox_asset_family/media/jks_2200_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
    Front Adjustable Coil Spacer | ACOS | Wrangler TJ & LJ, Cherokee XJ, Comanche MJ, Grand Cherokee ZJ SKU: JKS2200
    Dial in ride height on your Jeep Wrangler TJ or LJ with JKS ACOS adjustable front coil spring spacers. The range of ride height adjustment is from 1-1/2" to 3-3/4" -- 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_ogs651_xj_shackle_kit_card.https://serenity-foxfactory.asset.akeneo.cloud/fox_asset_family/media/jks_ogs651_xj_shackle_kit_rotation_1.
    JKS Manufacturing
    JKS Manufacturing
    HD Leaf Spring Shackle | Cherokee XJ, Comanche MJ, Wagoneer SJ SKU: JKSOGS651
    Lift your Jeep Cherokee XJ, MJ or Wagoneer SJ approximately +1" with JKS heavy duty leaf spring shackles. The boomerang-style design optimizes travel with full compression and extension while making room for larger tires. Greaseable Dura-Thane bushings provide smooth, quiet operation while preventing bind...
    $117.95
  • https://serenity-foxfactory.asset.akeneo.cloud/fox_asset_family/media/JKS1631_03.jpghttps://serenity-foxfactory.asset.akeneo.cloud/fox_asset_family/media/JKS1631_04.jpg
    JKS Manufacturing
    JKS Manufacturing
    J-Link Adjustable Control Arms | Front Lower | Wrangler JK SKU: JKS1631
    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/JKS1632_03.jpghttps://serenity-foxfactory.asset.akeneo.cloud/fox_asset_family/media/JKS1632_02.jpg
    JKS Manufacturing
    JKS Manufacturing
    J-Link Adjustable Control Arms | Front Lower | Wrangler JL & Gladiator JT SKU: JKS1632
    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 improve 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/JKS1633_03.jpghttps://serenity-foxfactory.asset.akeneo.cloud/fox_asset_family/media/JKS1633_02.jpg
    JKS Manufacturing
    JKS Manufacturing
    J-Link Adjustable Control Arms | Front Upper | Wrangler JK SKU: JKS1633
    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...
    $325.95
  • https://serenity-foxfactory.asset.akeneo.cloud/fox_asset_family/media/JKS1634_03.jpghttps://serenity-foxfactory.asset.akeneo.cloud/fox_asset_family/media/JKS1634_01.jpg
    JKS Manufacturing
    JKS Manufacturing
    J-Link Adjustable Control Arms | Front Upper | Wrangler JL & Gladiator JT SKU: JKS1634
    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...
    $349.95
  • https://serenity-foxfactory.asset.akeneo.cloud/fox_asset_family/media/JKS1630_03.jpghttps://serenity-foxfactory.asset.akeneo.cloud/fox_asset_family/media/JKS1630_02.jpg
    JKS Manufacturing
    JKS Manufacturing
    J-Link Adjustable Control Arms | Lower | Wrangler TJ & LJ, Cherokee XJ SKU: JKS1630
    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/JKS1638_03.jpghttps://serenity-foxfactory.asset.akeneo.cloud/fox_asset_family/media/JKS1638_06.jpg
    JKS Manufacturing
    JKS Manufacturing
    J-Link Adjustable Control Arms | Rear Lower | Gladiator JT SKU: JKS1638
    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/JKS1636_03.jpghttps://serenity-foxfactory.asset.akeneo.cloud/fox_asset_family/media/JKS1636_01.jpg
    JKS Manufacturing
    JKS Manufacturing
    J-Link Adjustable Control Arms | Rear Lower | Wrangler JK/JL SKU: JKS1636
    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

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