ReadyLift 69-4510 Smart Suspension Technology Lift Kit Includes 2 rear OEM style blocks, 2 coil spring extensions and 2 front bump stop extensions Includes carrier bearing spacer and 2 OEM shock extension brackets The kit contains all necessary hardware Maintains OEM ride quality Includes 2 rear OEM style blocks, 2 coil spring extensions and 2 front bump stop extensions Includes carrier bearing spacer and 2 OEM shock extension brackets The kit contains all necessary hardware Maintains OEM ride quality. Note: not for use on pro-4X trucks if the goal is to achieve a level stance. Nismo and Pro 4X trucks may sit one inch higher in the front with 69-4510 kit