Dirty Dingo billet aluminum air conditioning bracket for mounting the Sanden 508 (9537) A/C compressor on the top passenger side of a 200-2013 Vortec Truck 4.8, 5.3, 6.0, 6.2 Gen 3 and Gen 4 accessories LS engines. Machined from 3/8 think 6061-T6 aircraft billet aluminum. Comes complete with precision CNC lathe machined 6061-T6 billet 1 inch thick aluminum spacers, stainless steel washers and grade 8 socket head allen bolts.Includes new Gates idler pulley and a Gates monster spring loaded belt tensioner. No more slipping belts with using the stock or cheap spring loaded belt tensioners. Places the A/C compressor inline with the factory serpentine belt drive system. Will work with a car or truck water pump. * Does not include accessory belt. * Designed to be used with 6, 7, or 8 rib compressor pulley. * Will not clear factory EGR on passenger head.