*1999 and Up Chevy/GMC Silverado/Sierra Trucks require front eyebolt adaptor kit In order to use this spring
This is an upgrade for the stock springs on any model of Chevy/GM Pickup. It was designed more for extra heavy applications on the 3500 1 ton models, but it can be used on lighter versions as well. 4, 5 and 6 leaf versions are also available and will fit 1/2 ton 3/4 ton and 1 ton pickups.