Front Suspension: Torsion bar/IFS Rear Suspension: Leaf spring/Straight axleLug Size: 14mm 1.5 RHBolt Pattern: 8x6.5Max Stock Tire: 32x11.00 on 8" wheelOEM Wheel Size: 16"Special Notes: These trucks use the same kits as the 2500 trucks in the same model years. Most kits will also fit the Dually trucks, except that the rear components usually have to be changed around (u-bolts, blocks, etc.) to get the truck level and wheel issues have to be addressed on spindle style kits.