ROUGH COUNTRY SUSPENSION 6 inch kit 1500 4 wd GM SUBURBANS. GAS ENGINES ONLY Newly Redesigned! Easy Install! Front: Front and rear crossmembers, differential drop brackets, drop torsion bar brackets with RCX laser cut logos, kicker braces, upper and lower control arm drops, massive steering link coupled with a heim joint assist link, and front & lower skid plates with RCX laser cut logos. • Install Time: 6 - 8 hours• Wheel Backspacing: Factory• Recommended Tire Size: 35x12.50 Rear: Lift blocks, add-a-leafs, and u-bolts. Shocks: Kit includes (4) Hydro 8000 shocks • Only fits vehicle with 6 lugs.• Tahoe/Suburbans require rear sway-bar links.• 94-up 4-door Tahoe & Yukon require part# 89501• Vehicles with Autotrac 4 wheel drive will require new aftermarket driveshaft.• Fits 88-98 1500 Pickups• Fits 92-99 1500 Tahoe & Suburbans