here is one 80 amps

https://www.ebay.com/itm/NOS-Mopar-1972-1974-B-Body-ammeter-gauge-3592133-w-o-rallye/370842976147?epid=1217906272&hash=item5657f6bf93:g:P~0AAOxyfS1Ryyef&vxp=mtr

but everyone by now ith needle pointing up

With a Charger born in Chrysler assembly plant in Valencia, Venezuela