This CALMINI suspension kit will lift the Frontier by 2-2.5" over stock. The complete kit consists of machined aluminum spacers finished in a high quality blue anodized finish with laser marking, rear lift blocks, and the complete replacement u-bolt kit. This system will allow for increased articulation and ground clearance. Vehicle will require a front end alignment once the kit is installed. NOTE: IF YOUR VEHICLE IS NOT EQUIPPED WITH CAM BOLTS FROM THE FACTORY, THEY WILL NEED TO BE INSTALLED IN ORDER TO ALIGN THE VEHICLE. MINOR CLEARANCING REQUIRED ON SOME MODELS. CALL THE SALES OFFICE FOR DETAILS