Front Suspension: Torsion bar/IFS Rear Suspension: Leaf spring/Straight axleLug Size: 14mm RHBolt Pattern: 8x6.5Max Stock Tire: 32x11.00 on 8" wheelOEM Wheel Size: 16"Special Notes: 88-92 vehicles came equipped with a 2 bolt idler arm that was prone to wearing out quickly. GM updated these trucks in 93 to a 3 bolt idler arm. It is advisable to buy a kit for a 93 or later truck and update the arm to a 3 bolt by purchasing a SL 3209 and buying a new 3 bolt unit. GM also built a light duty 6 lug 2500. These trucks will use the kits for the 88-98 1500.