Need an I.D. on this carb please

[Evans Ward]

Found this in my stock and trying to determine what it is and what it may fit? Anyone? Thanks in advance!

[m in sc]

h1, 71-77. notch on top dead giveaway. should be a 28mm venturi.

[Evans Ward]

h1, 71-77. notch on top dead giveaway. should be a 28mm venturi.

Thanks Mark! So 71-75 H1 AND 76 KH500?

[m in sc]

yeah. they were all pretty much the same except the windowed carbs.  that looks to be a #3 carb.

[Evans Ward]

Much appreciated!