They are KO guages, early sandcast are different the drives are sandcast. Probably the originals got crunched and he changed them to some take-offs he found... The early K1.
 K1  has a different number on the carbs and maybe a few differences,, but should be 2 cable carbs.
 K1 guages are the best , tougher not as fragile, and have the indicators inside them..