The JKS 3.5" Coil Box Kit is a set of front and rear dual rate coil springs that are typically found in the JKS JSPEC 3.5" Suspension System. These springs are available for separate purchase for those who need to replace damaged or misplaced springs without having to purchase a whole entire new kit. However, these springs can also be utilized in a custom suspension setup.
Once installed users will have improvements in off-road capabilities, better handling, an overall smoother ride. These springs have been fabricated from quality materials, and have been powder-coated black to be corrosion resistant.