Cadillac 2006 Escalade EXT and ESV; Chevrolet Avalanche ('05-'06); Chevrolet 2006 Suburban and 2006 Tahoe; GMC 2006 Yukon and Yukon XL) Each kit includes a plastic valve cap with seal, a nickle plated high temperature valve core, a rubber grommet, and a long-collared nut.