Front Suspension: Torsion bar/IFSRear Suspension: Leaf spring/Straight axleLug Size: 14mm 1.5 RHBolt Pattern: 6x5.5Max Stock Tire: 32x11.00 on 8" wheel with proper offsetOEM Wheel Size: 16"Special Notes: 4 Door Tahoes and Yukons have a different crossmember than the pick-ups of the same years. Some manufacturers make a specific kit for the 4 Door and some just sell the crossmember as an optional part to make the truck kit fit.