Roxor Add On (2nd) Alternator KitRoxor Add On Alternator Kit adds a 170amp rated Alternator to your Roxor. Made In The USA The Factory 90amp alternator may not be enough power to run all your electronics, with the add on (2nd) alternator, you're sure to have enough juice to run most anything! Tested at 150 amp at 800rpm idle and 197 amp at 1,800rpm's Will not work with Factory All weather models, This mounts in the factory A C compressor location under the stock alternator Comes with