Dual alternator coupler bars (2) for GM V-8 and V-6 engines with this drivers side air conditioner mount serpentine belt. Fits most 1996 to present. V-8 and V6 engines. COUPLER BAR PLATES ONLY - (the black part joining the two alternators at the top the front and back ) you will need to source the idler pulley and other parts - a bone yard will do fine for the pulley and spare alternator often. A CS-144 alternator will also fit with the same mounting holes. GM wiring schematic diagram and parts list is included - including recommended belt size.
This is considered a custom order item and is not returnable. Custom Made Item Not Refundable or Returnable
GM never made a factory dual alternator option fo the gas engine as far as is known, this is an aftermarket solution[ You can opt out of Google Ads if you are a registered user at /ad-options ]
You need dual alternators if you have a high amp stereo or to run any decent sized Hydrogen Generator system and the pump required to feed it at idle as a single alternator will not put out enough amps - even a high amp one