2007-2018 Chevy Silverado 1500 & GMC Sierra, 4WD - 3" Lift Kit - Front & 1.5" Rear #406045 4x4 4wd is for when you

4wd is for when you need it not because you have to have it :-}

just like your Superduty does

NOT for use with NON LIFTED Passports

if you just want to LEVEL out your truck

2007-2018 Chevy Silverado 1500 & GMC Sierra, 4WD - 3" Lift Kit - Front & 1.5" Rear #406045 4x4 4wd is for when youThis Kit Fits: 2007 2018 Chevrolet Silverado 1500 pickup 4x4 2009 2018 Chevrolet Silverado 1500 Hybrid 4x4 2007 2018 GMC Sierra 1500 pickup 4x4 2009 2018 GMC Sierra 1500 Hybrid 4x4 This Truxxx kit is compatible with 2007 2018 Chevy Silverado 1500 4x4(4wd) and 2007 2018 GMC Sierra 1500 4x4(4wd). GM Updated the rear leaf spring with some late production 2018 models ( making it s single leaf like the 2019) and this kit is for the traditional multi leaf