JKS 2018-2027 Jeep Wrangler JL 4 Door J-Konnect FOX Shock 2.0 Adventure Series Heavy Duty Rate & Rubber Bushings 4.5" Lift Kit JSPEC218KFA

Description Heavy Duty Rate & Rubber Bushings Important Notes: Aftermarket drive shaft is required. Drag link flip is required for steering correction. Additional heavy duty steering components are reccomended. It is recommended to use a strong steering stabilizers. In our testing there a lot of variation between jeeps and how they react to Tire size, Lift heights, Factory steering components, Worn parts. Increasing Caster and adjusting the tow in on the tires can help, but sometimes a strong stabilize is required to prevent steering wheel shimmy in some vehicles. Select HD spring option for aftermarket bumpers and or winch. Features: Features heavy-duty J-Link lower control arms to improve strength and correct geometry. Front adjustable track bar and rear track bar bracket. JKS Control arm correction brackets. Front sway bar quicker disconnects. Front and rear bump stop extensions. Specifications: Front Lift Method : Coil Spring Front Lift Height : 4.5" Rear Lift Method : Coil Spring Rear Lift Height : 4" Shocks Included : Yes Lift Height : 4-5.5" Picking the Right Coil Springs: JKS J-Rated Suspension Systems feature custom wound, progressive rate coil springs. That means the spring rate increases as the spring is compressed. You and your Jeep enjoy a plush ride during low load driving scenarios such as highway cruising with increased performance as each spring compresses. If you carry a significant amount of extra gear in your Jeep, some J-Rated suspension systems are available with optional high-rate coil springs to support the additional weight. Control Arm Bushing SelectionFlex Ends: Forged flex end and jam nut Flex end design allows for 30-degrees of misalignment (15 in either direction) for impressive articulation and are greaseable to ensure long bushing life. Completely rebuildable and serviceable on the trail with our JKS Flex Joint tools (link to tool). 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 quiet, controlled ride with hassle-free operation in any environment. Upgrade your Jeep Wrangler JL with the JKS J-Konnect 4.5” Suspension Lift Kit, engineered to deliver serious off-road performance without sacrificing on-road comfort. This complete system provides enough lift to clear up to 37” tires, giving your JL a more aggressive stance and increased ground clearance. At the heart of the kit are heavy-duty fixed-length lower J-Flex control arms with factory-style rubber bushings or JKS Joints. These arms are designed to improve axle geometry and enhance overall durability. JKS's Dual-rate coil springs, specifically tuned for the JL platform, ensure a smooth ride on the pavement while allowing maximum flex on the trail. To keep your suspension properly aligned and functioning, the kit includes front and rear track bar brackets, extended sway bar links, bump stop extensions, and brake line relocation brackets. Everything is engineered for bolt-on installation and long-term reliability. Whether you're hitting hardcore trails or commuting daily, the J-Konnect system delivers the perfect balance of control, comfort, and clearance. Compatible with both 2-door and 4-door JL models, and upgrade-ready for those looking to fine-tune their build further, this kit is the ideal foundation for any serious Jeep Wrangler build. Choose JKS for proven performance, trusted quality, and trail-tested design that takes your Jeep to the next level. Fitment Brand: JKS 2018-2027 Jeep Wrangler JL Document Video