Front Suspension: IFS/Torsion barRear 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" or 17"Special Notes: These vehicles came equipped with hub-centric wheels. To avoid vibration problems, even though a standard wheel will fit, it is recommended to stay with a hub-centric aftermarket wheel.Additional Note: The 1500HD 8 lug truck is still rated as a1/2 ton truck, but has a heavier suspension and uses 8 lug wheels. This truck uses a kit unique to it. Standard 1500 kits will not fit.