2014 GM 1500 3.75″ Combo Kit Get the best of both worlds with Rough Country’s 3.75″ Combo Kit for 2014 GM 1500’s! This unique kit combines our popular 2.5″ Leveling Lift Kit with our 1 1/2″ body lift, offering you a big boost… Continue reading Rough Country : 3.25″ and 3.75″ Chevy Combo Kits 07-14