Pro Comp Nitro Kits are the economical alternative to a complete suspension system. They are designed to add larger aftermarket wheels and tires to your rig without installing a complete suspension lift kit. Front Leveling Lift Kit Pro Comp 3" (7,5cm) for Toyota Tundra 99-06 with 2WD and 4WDfront lift: two strut spacers,includes all necessary hardware and instructions,maximum tire size: 33",