Dethmers Manufacturing Company 8553007 Demco Hijacker Sl Series Bracket Kit 8553007. 24" head only. Fits: 2001-2007 Silverado/Sierra 1500 HD (6 ?' and 8' Boxes) 1988-2001 3500 (8' Box) 1988-1998 1500 / 2500 (8' Box) 1988-1998 1500 / 2500 (6 ?' Box)...