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The Place for Model-A Ford Carburetors

Gas Adjusting Valve Wrench

Gas Adjusting Valve Housing Wrench
  • GAV Housing hex nut may be either 7/16" or 13/32". The 7/16" was used until September of 1930 and there after the 13/32" was used. The 7/16" open wrenches are readily available, but 13/32" wrenches are very hard to find. So, I've carefully filed out an open 3/8 wrench to snuggly fit 13/32 housing hex nuts. I've painted the arm of the wrench so that it is readily identifiable and isn't confused to be the original 3/8 wrench.

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