LT GM R4 A/C compressor bracket for Truck Spacing DD-LT-R4-AC-TR Billet aluminum GM R4 A/C bracket for 2014-up Gen V LT engines with Truck spacing balancer. CNC machined to 3/8 inch thick 6061-T6 billet aluminum. Designed to be used with Dirty Dingo LT water pump adapters, a Gen IV Corvette LS water pump, and a billet Dirty Dingo LT alternator/power steering bracket. Kit comes complete with 6061-T6 billet aluminum CNC lathe machined spacers, grade-8 zinc coated Allen bolts, stainless washers, idler pulley, and Gates monster spring loaded belt tensioner. * Will not work with dry sump engines.Must be used with DD-LT-WPA water pump adapters