4Runner DLX / SR5 with 3.25" Wide Rear Blocks and U-Bolts 1986, Standard Series Class 2 Front and Rear Suspension Lift Kit with 4" Front and 3.5" Rear Lift Height (T432RKS-N) by Skyjacker. Max Tire Size: 33"x12.5". Skyjacker is the name to consider when it comes to upgrading your suspension system. Opt for top-notch suspension components offering a dramatic change in your vehicles performance.