Tuff Country 43000KN 3" Lift Kit with SX8000 Shocks for 07 18 Jeep Jeep JK Coil Springs for Wrangler (2007 2018) ExtremeTerrain TeraFlex 2.5 Coil Spring Base Lift Kit, 07 18 Jeep JK 07 18 Wrangler JK 4 Door 1,5 Inch Coil Spring Lift Kit No Shocks TeraFlex. TeraFlex JK: Lift Coil Springs are perfectly engineered for your JK Jeep Wrangler Unlimited. Our engineers focused on extensive rate tuning and dynamic balance between front and rear load bias to produce Lift Coil Springs that deliver unsurpassed highway handling and off road performance. TeraFlex chose the same tried and true linear rate technology preferred by most automakers including Jeep. Linear rate springs provide the maximum number of active coils under load for consistent performance and predictable handling throughout the full range of suspension travel both on and off road. We recommend pairing TeraFlex Lift Coil Springs with Falcon Performance Shocks for superior performance. TeraFlex Lift Coil Springs and Falcon Performance Shocks have been engineered together to improve both compression and rebound for optimal vehicle stability. Includes: 4 Inch Lift 3 Inch Lift Coil Spring Rear x 2 Fitment: Vehicle(s): JK Wrangler (2 door) JK Wrangler Unlimited (4 door) Specs: JK 2dr Lift Height: 4 Inch JK 4dr Lift Height: 3 Inch