RockJock's 3" lift LCG front coil springs for 1997-2006 Jeep TJ Wranglers and LJ Unlimiteds replace factory springs and are designed to work with RockJock Johnny Joint suspension systems or other manufacturer's lift kits as well. This pair,for the LCG crowd, are dual-rate and provide exceptional ride quality and height control. Finish is gloss black powder coat. Extensive research was done by RockJock to develop the perfect spring rate and quality of the coil springs. The results: they provide the best in comfortable ride and excellent performance off-road. If you have a lot of weight in the front (large winch, etc.) we most likely offer a better option of spring for your application. If you need help choosing the correct springs for your Jeep - just call the RockJock sales staff!