2x Front Lift Coil Spacers2x Rear Lift Coil Spacers2x Front Shock Extenders4x Brake Line ExtendersInstallation InstructionsFront kit installation video:Rear kit installation video:Supreme Suspension's Jeep Wrangler JK Lift Kit is part of our Pro Line, which features precision engineered steel lift kits. Each Lift Kit within our Pro Line Series is precision engineered from high-strength carbon steel, providing Supreme Quality. Also included in this kit are our shock extenders, allowing for the factory position and performance of your factory shocks.NOTES: An alignment is always recommended after altering the height of your vehicle.