Offenhauser Nailhead Intake Code Question

how do you decipher the codes, if there are any on Offenhauser intakes for nailhead 3x2 setups...

I need a 55 264 intake....what would the part no. code be on that.......

Thanks

 

?

 

Offy # 3413 = 3x2bbl '53-56 264-322
3557 = 3x2bbl '57-59 364
5190 = 3x2bbl '59-66 401-425

 

thanks a lot

 

Glad to help.