The Rock Krawler Triple Rate Rear Coil Springs are high quality coil springs that are preset to minimize settling and provide you with a quality ride and awesome off-road performance! The JK rear coils are heavy duty triple coil springs. This kit will help improve ground clearance, offroad ability and onroad handling in your Jeep Wrangler JK. One (1) pair of coil springs Actual lift will very depending on vehicle accessories and axle positioning. Notes:** Rear coil springs tend to yield -.75″ less than advertised to allow for proper leveling. Fits:Jeep Wrangler 2 Door (2007-2018)Jeep Wrangler 4 Door Unlimited (2007-2018)