Specifications: Package Content Front Shock Extenders x2 Hardware Kit x1 Digital Installation Guide x1 Installation time is approximately 1-2 hours Vehicle Fitment GMC Yukon 02-06 6-Lug 2WD 4WD GMC Yukon XL 02-06 6-Lug 2WD 4WD Chevy Avalanche 02-06 6-Lug 2WD 4WD Chevy Suburban 1500 00-06 6-Lug 2WD 4WD Chevy Tahoe 00-06 6-Lug 2WD 4WD Cadillac Escalade 02-06 2WD 4WD NOTE: Communication is the best way to solve the problem. If you have any problems after purchasing, please contact us in time, before opening return or case. .