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/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/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/JT_Jkrawl_01_PS.jpghttps://serenity-foxfactory.asset.akeneo.cloud/fox_asset_family/media/jks_shock_buyers_guide.jpg
    JKS Manufacturing
    JKS Manufacturing
    3.5" Lift Kit | J-Krawl | Gladiator JT SKU: JSPEC171FRS
    Designed for maximum articulation, improved strength, and adjustability, these complete J-Krawl systems are available for next-level performance. Components include your choice of J-Flex or J-Link upper and lower control arms, Jspec dual-rate coil springs at each corner designed to level out the stance, and a...
    From $3,285.45
  • 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
    2.5" Lift Kit | J-Krawl | Wrangler JL 4-door SKU: JSPEC125FRS
    Turn your 4 Door Jeep Wrangler JL 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 $2,834.45
  • 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" 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/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 | Wrangler JL 4-Door SKU: JSPEC127FRS
    Build the ultimate adventure rig with a 3.5" lift kit J-Krawl suspension system. Fits 4-Door Jeep Wrangler JL. Designed for maximum articulation and adjustability, the complete suspension system includes dual rate coil springs, adjustable front track bar, rear track bar bracket and tuned FOX shock...
    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 | 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_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_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 4-door SKU: JSPEC149KFA
    Turn your 4 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_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
    3.5" Lift Kit | J-Krawl | Wrangler JK 2-Door SKU: JSPEC152KFA
    Build the ultimate adventure rig with a 3.5" lift kit J-Krawl suspension system. Fits 2-Door Jeep Wrangler JK. Designed for maximum articulation and adjustability, the complete suspension system includes dual rate coil springs, adjustable front track bar, rear track bar bracket and tuned FOX...
    From $2,727.50
  • 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
    3.5" Lift Kit | J-Krawl | Wrangler JK 4-Door SKU: JSPEC151KFA
    Build the ultimate adventure rig with a 3.5" lift kit J-Krawl suspension system. Fits 4-Door Jeep Wrangler JK. Designed for maximum articulation and adjustability, the complete suspension system includes dual rate coil springs, adjustable front track bar, rear track bar bracket and tuned FOX...
    From $2,727.50
  • https://serenity-foxfactory.asset.akeneo.cloud/fox_asset_family/media/JSPEC177PS_01.jpg
    JKS Manufacturing
    JKS Manufacturing
    1.5" J-Spec Lift Kit | FOX 2.5 IFP Shocks | Wrangler JL SKU: JSPEC177PS
    If JKS designed the factory JL Wrangler suspension, this is how it would be done! Introducing the JKS 1.5" J-Spec Suspension System with specially tuned FOX 2.5 IFP Performance Series shocks. Whether your focus is improving on-road characteristics or suspension performance in the backcountry,...
    $1,965.85
  • https://serenity-foxfactory.asset.akeneo.cloud/fox_asset_family/media/JKS_JL_JSPEC155PS_1.jpg
    JKS Manufacturing
    JKS Manufacturing
    1.5" Lift Kit | FOX 2.5 IFP Shocks | J-Spec System | Jeep Wrangler JL SKU: JSPEC155PS
    If JKS designed the factory JL Wrangler suspension, this is how it would be done! Introducing the JKS 1.5" J-Spec Suspension System with specially tuned FOX 2.5 IFP Performance Series shocks. Whether your focus is improving on-road characteristics or suspension performance in the backcountry,...
    $1,699.90
  • https://serenity-foxfactory.asset.akeneo.cloud/fox_asset_family/media/jks_2700_jeep_acos_pro_card.https://serenity-foxfactory.asset.akeneo.cloud/fox_asset_family/media/jks_2700_jeep_acos_pro_rotation_1.
    JKS Manufacturing
    JKS Manufacturing
    Adjustable Coil Spacer with Bump Stop | ACOS Pro | Wrangler TJ & LJ, Cherokee XJ, Comanche MJ, Grand Cherokee ZJ SKU: JKS2700
    Fine tune your Jeeps 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...
    $938.95
  • 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_1610_jeep_j_flex_control_arms_card.jpghttps://serenity-foxfactory.asset.akeneo.cloud/fox_asset_family/media/jks_1610_jeep_j_flex_control_arms_rotation_1.jpg
    JKS Manufacturing
    JKS Manufacturing
    Adjustable Control Arms | Front Lower | Wrangler JK SKU: JKS1610
    Upgrade your Jeep Wrangler JK's performance and reliability with JKS J-Flex adjustable front lower control arms. CNC-bent from stout DOM tubing, the fully adjustable design allows you to fine-tune suspension geometry. The ends are also fully rebuildable and greaseable. With heavy duty 1-1/4"-12 threads...
    $371.95
  • https://serenity-foxfactory.asset.akeneo.cloud/fox_asset_family/media/CWLCT00001_02.jpghttps://serenity-foxfactory.asset.akeneo.cloud/fox_asset_family/media/CWLCT00001_01.jpg
    JKS Manufacturing
    CrawlTek Revolution
    1" CNC Machined Shackle Tabs (Pair) SKU: CWLCT00001
    CNC machined from 1" 1018 steel these shackle tabs are built for heavy duty recovery. They are designed to be welded front and rear and feature a tab slot design.
    $65.99

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