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 track bar bracket, J-Flex upper and lower control arms, and bump stop extensions. J-Max pulls out all of the stops to offer a truly performance driven suspension package. At each corner the custom tuned 10" travel FOX 2.5" diameter Factory Race Series coil-overs with DSC adjustment provide the ultimate in tuning options. Custom dual rate springs specifically designed for the JK dial in the ride height with the DSC adjusters providing both high and low speed compression adjustments. J-Flex adjustable control arms improve strength, off-road performance and adjustability. J-Max suspension systems feature high-strength bolt-on coil-over mounting brackets, an adjustable front track bar, sway bar quicker disconnects. Take your Jeep's off-road performance and strength to the max with J-Max. An aftermarket front driveshaft is strongly recommended due to additional travel capable.
- Front FOX 2.5 Remote Reservoir DSC Coilovers w/ Bolt-On Brackets for improved performance, strength and tunability.
- Rear FOX 2.5 Remote Reservoir DSC Coilovers w/ Bolt-On Brackets for improved performance, strength and tunability.
- Front Adjustable Track Bar and Rear Track Bar Bracket to correct axle positioning under vehicle.
- Front Sway Bar Quicker Disconnects and Brake Line Brackets to allow for increased offroad articulation.
- Front+Rear J-Flex Lower Control Arms for improved strength and caster correction.
- Front+Rear J-Flex Upper Control Arms for improved strength and caster correction.
- Front+Rear Bump Stop Extensions to properly limit suspension up travel.
Tire: 35x12.50
Wheel: 16x8, 17x9, 20x9
Backspacing: 3.5"
Other tire/wheel sizes can be used, however may require additional modifications.
- Factory wheels cannot be reinstalled without wheel spacers
- Aftermarket wheels with 3.5” backspacing are required for clearance
- Requires cutting/removal of factory frame mount brackets
- Front aftermarket driveshaft strongly recommended due to additional travel capability
- Removal of coilover preload required on 2Dr models to achieve a minimum 3.5” of lift
- Rear aftermarket driveshaft strongly recommended for 2Dr models
In the box for JSPEC153KF:
- JSPEC2355 1ea 07-18 Jeep Wrangler JK J-Max Main Box Kit
- JKS1615 1ea JK Front Adjustable UCA
- JKS1610 1ea JK Front Adjustable LCA
- JKS1665 1ea JK Rear Adjustable UCA
- JKS1660 1ea JK Rear Adjustable LCA
- JKS2510 1ea JK Front Coil-over Mounting Kit
- JKS2519 1ea 07-18 Jeep JK Rear Coilover Conversion Brackets
- FOX88406178 1ea Kit: BDS 07-18 Jeep Wrangler JK Front Coilover, 2.5 Series, R/R 3.5" Lift, DSC
- FOX88406177 1ea Kit: BDS 07-18 Jeep Wrangler JK Rear Coilover, 2.5 Series, R/R 3.5" Lift, DSC
All JKS products are protected by a limited lifetime warranty to ensure they are free from manufacturer defects in material and workmanship so you can go with confidence knowing your JKS parts are covered.
