I HAVE FOR YOUR CONSIDERATION AN AMERICAN BOSCH TYPE U1 ROTARY/IMPULSE MAGNETO. THE MAG IS EXTREMELY HOT, AND THROWS A NICE BLUE HOT SPARK WHEN SPUN BY HAND. THE MOUNTING PLATE HOLES ARE 2 ON CENTERS. WE WILL TRY OUR BEST TO GIVE YOU AN ACCURATE AND HONEST DESCRIPTION OF THE ITEMS LISTING THE GOODS AND THE BAD’S. LET THE PICTURES PROVIDED BE YOUR GUIDE. PLEASE VIEW OUR ITEMS OFTEN SINCE WE WILL BE LISTING MORE HIT MISS GAS ENGINE PARTS AND ENGINES THROUGHOUT THE YEAR.