ReadyLIFT Suspension offers the most cost-effective and time-efficient way to lift your 2005-2023 2WD/4WD Nissan Frontier or Xterra's ride height 2.5" in the front and 1.5" in the rear. ReadyLIFT products do not require any permanent modification to factory parts and never compress the factory springs or require cutting the strut studs. ReadyLIFT will not affect your factory OEM ride quality or comfort level. The 69-4510 kit includes two (2) SST Strut Extensions two (2) Rear Spring Lift Shackles four (4) Camber/Caster Alignment Bolts and two (2) Control Arm Bump Stops. ReadyLIFT products will enhance your Nissan Frontier or Xterra's appearance and ground clearance which will allow use of plus-size wheel and tire combinations without any rubbing. ReadyLIFT offers a Lifetime Warranty on all of its products. From light-duty to heavy-duty trucks or SUVs ReadyLIFT is the Smart way to lift your Nissan Frontier's ride height. 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. NOTE: 265/75-16 on stock rim requires no modifications. 285/75-16 on stock rims needs minor modifications in order to fit.