Heavy Duty Construction. Aircraft grade billet aluminum. Properly engineered to eliminate ball joint, tie rod and steering bind. 5 Year 60,000 Mile Powertrain Warranty. Use 285/70R17 tires w/ 17x9 wheels w/ 5 1/2" BS w/ minor trimming. Use 295/65R18 tires w/ 18x9 wheels w/ 5 1/2" BS w/ minor trimming. Use 305/55R20 tires w/ 20x9 wheels w/ 5 1/2" BS w/ minor trimming. Use 305/45R22 tires w/ 22x9 wheels w/ 5 1/2" BS w/ minor trimming. This product ships in approximately 1 days