AVR SERIES JAPANESE 12 VOLT VOLTAGE REGULATORS. WE DO NOT HAVE AN APPLICATION LIST FOR THESE SO CAN NOT ADVISE JUST WHAT THEY FIT BUT THE ADVANTAGE OF THAT IS THAT WE HAVE PRICED THEM CHEAP TO CLEAR SO A LITTLE HOMEWORK COULD SAVE YOU POUNDS. YOU ARE BUYING ONE UNIT.  AVR 577EX WORKSHOP LIQUIDATIONNEW, BOXED AND UNUSED: PICTURE DESCRIBES SEE OUR OTHER AUCTIONS FOR 560, 562, 592, 952, 580, 577 AND 512 VARIANTS. PICTURE DESCRIBES.  ..