New billet aluminum bracket to allow installation of a second alternator to 4.8, 5.3, 6.0, 6.2L, LS/Vortec V8 engines in Tahoe, Suburban, Silverado, Yukon, Escalade, and Hummers from 1999-2013. Includes additional idler pulley, new serpentine belt, and needed nuts and bolts. Only works with stock size alternator pulleys and power steering bracket. Instructions not included. Pick up in Nampa.