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/883_26_053_fox_truck_performance_elite_reservoir_shock_op_1600x1600.pnghttps://serenity-foxfactory.asset.akeneo.cloud/fox_asset_family/media/883_26_053_fox_truck_performance_elite_reservoir_shock_cu_a_1600x1600.png
    JKS Manufacturing
    FOX
    FOX 2.5 Reservoir Rear Shocks Adjustable | Performance Elite | 4.5-6 Inch Lift | Wrangler JL (18-25) SKU: FOX88326056
    FOX's all-new Performance Elite shocks are a game changer for Jeep enthusiasts. PN 883-26-056 2.5" diameter remote-reservoir monotube shocks are designed specifically for Wrangler JLs with 4.5-6" Lift -- rear position. Valving is tuned specifically for JLs with larger than stock aftermarket wheels and...
    $1,679.95
  • https://serenity-foxfactory.asset.akeneo.cloud/fox_asset_family/media/rep_883_26_052_fox_truck_performance_elite_reservoir_shock_pr_1600x1600.pnghttps://serenity-foxfactory.asset.akeneo.cloud/fox_asset_family/media/rep_883_26_052_fox_truck_performance_elite_reservoir_shock_op_1600x1600.png
    JKS Manufacturing
    FOX
    FOX 2.5 Reservoir Front Shocks Adjustable | Performance Elite | 4.5-6 Inch Lift | Wrangler JL (18-25) SKU: FOX88326052
    FOX's all-new Performance Elite shocks are a game changer for Jeep enthusiasts. PN 883-26-052 2.5" diameter remote-reservoir monotube shocks are designed specifically for Wrangler JLs with 4.5-6" Lift -- Front position. Valving is tuned specifically for JLs with larger than stock aftermarket wheels and...
    $1,679.95
  • https://serenity-foxfactory.asset.akeneo.cloud/fox_asset_family/media/fox_88326050_88326051_01.jpg
    JKS Manufacturing
    FOX
    FOX 2.5 Reservoir Front Shocks Adjustable | Performance Elite | 0-1.5 Inch Lift | Wrangler JL (18-25) SKU: FOX88326049
    FOX's all-new Performance Elite shocks are a game changer for Jeep enthusiasts. PN 883-26-049 2.5" diameter remote reservoir monotube shocks are designed specifically for Wrangler JLs with 0-1.5" Lift -- Front position. Valving is tuned specifically for JLs with larger than stock aftermarket wheels...
    $1,679.95
  • https://serenity-foxfactory.asset.akeneo.cloud/fox_asset_family/media/jks_jspec5000k_jl_jt_front_coilover_conversion_card.https://serenity-foxfactory.asset.akeneo.cloud/fox_asset_family/media/jks_jspec5000k_jl_jt_front_coilover_conversion_rotation_3.
    JKS Manufacturing
    JKS Manufacturing
    Coilover Conversion Kit with FOX 2.5 DSC Shocks | Front | Wrangler JL + Gladiator JT SKU: JSPEC5000K
    JKS Complete Front Coilover Conversion for Jeep Wrangler JL & Gladiator JTTransform your Jeep Wrangler JL or Gladiator JT into a trail-conquering powerhouse with the JKS Complete Front Coilover Conversion. This cutting-edge suspension upgrade pushes performance boundaries, delivering superior damping capability, extended suspension travel,...
    From $3,009.85
  • https://serenity-foxfactory.asset.akeneo.cloud/fox_asset_family/media/jks_jspec_129kfc_jl_j_max_card.https://serenity-foxfactory.asset.akeneo.cloud/fox_asset_family/media/jks_jspec_129kfc_jl_j_max_rotation_2.
    JKS Manufacturing
    JKS Manufacturing
    3.5" Lift Kit | J-Max | Wrangler JL SKU: JSPEC129KFC
    J-Max pulls out all of the stops to offer a truly performance driven suspension package. At each corner are custom tuned FOX 2.5 factory race series coilovers with DSC adjustment. These coilovers offer race proven technology with a larger 2.5” diameter body, dual rate...
    From $7,754.50
  • 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 (18-25) 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/FOX88326054_1.https://serenity-foxfactory.asset.akeneo.cloud/fox_asset_family/media/FOX88326054_3.
    JKS Manufacturing
    FOX
    FOX 2.5 Reservoir Rear Shocks Adjustable | Performance Elite | 0-1.5" Lift | Wrangler JL (18-25) SKU: FOX88326053
    FOX's all-new Performance Elite shocks are a game changer for Jeep enthusiasts. PN 883-26-053 2.5" diameter remote reservoir monotube shocks are designed specifically for Wrangler JLs with 0-1.5" Lift -- rear position. Valving is tuned specifically for JLs with larger than stock aftermarket wheels...
    $1,679.95
  • https://serenity-foxfactory.asset.akeneo.cloud/fox_asset_family/media/JL_J_Krawl_JSPEC206KFA.jpghttps://serenity-foxfactory.asset.akeneo.cloud/fox_asset_family/media/jks_shock_buyers_guide.jpg
    JKS Manufacturing
    JKS Manufacturing
    3" Lift Kit | J-Krawl | Jeep Wrangler JL 4xe | 4 Door SKU: JSPEC205KFA
    Unleash your Jeep’s full potential with the JKS J-SPEC 3 Inch J-Krawl Lift Kit, a comprehensive suspension system designed for serious off-road enthusiasts. This hardcore setup takes your Jeep down to its bare frame, making room for all-new components that utilize the factory pick-up...
    From $2,868.45
  • https://serenity-foxfactory.asset.akeneo.cloud/fox_asset_family/media/jks_jspec_131k_jt_j_venture_nitro.https://serenity-foxfactory.asset.akeneo.cloud/fox_asset_family/media/jks_shock_buyers_guide.jpg
    JKS Manufacturing
    JKS Manufacturing
    2" Lift Kit | J-Krawl | Wrangler JL 4xe | 4-Door SKU: JSPEC175KFA
    Turn your 4 Door Jeep Wrangler JL 4xe into a serious off road rig with a JKS J-Krawl 2" lift kit. Designed for maximum articulation and adjustability, the complete suspension system includes dual rate coil springs, adjustable front track bar, rear track bar bracket...
    From $2,834.45
  • https://serenity-foxfactory.asset.akeneo.cloud/fox_asset_family/media/JT_Jkrawl_01_PS.jpghttps://serenity-foxfactory.asset.akeneo.cloud/fox_asset_family/media/jks_shock_buyers_guide.jpg
    JKS Manufacturing
    JKS Manufacturing
    2.5" Lift Kit | J-Krawl | DIESEL | Wrangler JL 4-door SKU: JSPEC169FRS
    Build the ultimate rock crawling Diesel 4-Door Jeep Wrangler JL with a J-Krawl 2.5" lift kit suspension system. The complete system is designed for maximum articulation, strength and adjustability. Components include J-Flex or J-Link Upper and Lower Control Arms, JSPEC dual rate coil springs,...
    From $2,834.45
  • https://serenity-foxfactory.asset.akeneo.cloud/fox_asset_family/media/jks_jspec_125k_126k_127k_128k_147k_148k_jl_j_krawl_card.https://serenity-foxfactory.asset.akeneo.cloud/fox_asset_family/media/jks_shock_buyers_guide.jpg
    JKS Manufacturing
    JKS Manufacturing
    3.5" Lift Kit | J-Krawl | Diesel / 392 | Wrangler JL 4-Door SKU: JSPEC161FRS
    The hardcore rock crawling suspension choice for your 4-Door Diesel Jeep Wrangler JL is a J-Krawl 3.5" lift kit. The complete system is designed for maximum articulation, strength and adjustability. Components include J-Flex or J-Link Upper and Lower Control Arms, JSPEC dual rate coil...
    From $2,834.45
  • https://serenity-foxfactory.asset.akeneo.cloud/fox_asset_family/media/jks_jspec_153kfc_jk_j_max_card.JPGhttps://serenity-foxfactory.asset.akeneo.cloud/fox_asset_family/media/jk_jmax_1.jpg
    JKS Manufacturing
    JKS Manufacturing
    3.5" Lift Kit | J-Max | Wrangler JK SKU: JSPEC153KF
    Build the ultimate Jeep Wrangler JK and be ready for any terrain with the JKS J-Max 3.5" suspension system. The J-Max kit includes front and rear 10" FOX 2.5" diameter Factory Race Series coil-over shocks with DSC adjustable remote reservoirs, front adjustable track bar, rear...
    From $6,273.57
  • https://serenity-foxfactory.asset.akeneo.cloud/fox_asset_family/media/jks_jspec_149k_150k_151k_152k_jk_j_krawl_card.https://serenity-foxfactory.asset.akeneo.cloud/fox_asset_family/media/jks_shock_buyers_guide.jpg
    JKS Manufacturing
    JKS Manufacturing
    2.5" Lift Kit | J-Krawl | Wrangler JK 2-door SKU: JSPEC150KFA
    Turn your 2 Door Jeep Wrangler JK into a serious off road rig with a JKS J-Krawl 2.5" lift kit. Designed for maximum articulation and adjustability, the complete suspension system includes dual rate coil springs, adjustable front track bar, rear track bar bracket and...
    From $2,727.50
  • https://serenity-foxfactory.asset.akeneo.cloud/fox_asset_family/media/jks_jspec_125k_126k_127k_128k_147k_148k_jl_j_krawl_card.https://serenity-foxfactory.asset.akeneo.cloud/fox_asset_family/media/jks_shock_buyers_guide.jpg
    JKS Manufacturing
    JKS Manufacturing
    3" Lift Kit | J-Krawl | Wrangler JL 2-Door SKU: JSPEC147FRS
    From hardcore rock crawling to high-speed desert, the J-Krawl System brings a level of performance and adjustability that makes it the go to package for many Jeep enthusiasts. These systems build on the base systems and add comments for a full overhaul of the...
    From $2,834.45
  • 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 (21-25) | 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/jks_2511_jl_jt_front_coilover_conversion_card.jpg
    JKS Manufacturing
    JKS Manufacturing
    2018-2025 Jeep JL Wrangler Front Coilover Conversion Box Kit SKU: JKS2511
    The 2018-2025 Jeep JL Wrangler Front Coilover Conversion Box Kit is a high-performance suspension upgrade designed to enhance your Jeep's off-road capabilities. It replaces the factory frame brackets with robust upper and lower mounting brackets, allowing for the installation of long-travel coilovers. This kit...
    $757.95
  • 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_1660_jeep_j_flex_control_arms_card.jpghttps://serenity-foxfactory.asset.akeneo.cloud/fox_asset_family/media/jks_1660_jeep_j_flex_control_arms_rotation_1.jpg
    JKS Manufacturing
    JKS Manufacturing
    Adjustable Control Arms | Rear Lower | Wrangler JL SKU: JKS1661
    Your Jeep Wrangler JL will benefit from JKS J-Flex adjustable rear lower control arms. They adjust for proper geometry while increasing driving comfort on the road. J-Flex arms are built from heavy duty 2" OD x .250-wall DOM tubing and CNC bent for additional...
    $371.95
  • https://serenity-foxfactory.asset.akeneo.cloud/fox_asset_family/media/fox88406177_rear_coilovers_card.
    JKS Manufacturing
    FOX
    FOX 2.5 Rear Coilover Shocks w/ DSC | Factory Race | Wrangler JK SKU: FOX88406177
    Convert your Jeep Wrangler JK to 10" travel FOX 2.5" Factory Race Series DSC Rear Coil-overs and tackle any terrain. In addition to better shock damping response from FOX's proprietary IFP monotube design, you get complete control over shock compression with high and low...
    $1,587.96
  • https://serenity-foxfactory.asset.akeneo.cloud/fox_asset_family/media/FOX88326093_800x476.jpghttps://serenity-foxfactory.asset.akeneo.cloud/fox_asset_family/media/FOX88326093.jpg
    JKS Manufacturing
    FOX
    FOX 2.5 Front Shocks w/ DSC Reservoir | 4.5-6 Inch Lift | Performance Elite Series | Jeep Wrangler JK (07-18) SKU: FOX88326093
    Developed from our offroad race shocks, FOX Performance Elite Series combines race proven technology with new, cutting edge features to provide all the adjustability and capacity needed to take on serious offroading in your Jeep.
    $1,679.95

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