2007 - 2018 Chevrolet Silverado 1500 -- 2WD / 4WD / AWD. 2007 - 2018 GMC Sierra 1500 -- 2WD / 4WD / AWD. These coil spacers are made from a High grade composite material. A great, inexpensive solution to correct the "Chevy lean" by installing under the coil on the side that is leaning or if you can use them both to lift up a drop that is just a little too low in the front for your liking!
