The log style intakes fit all nailheads: 264/322, 364, 401/425 by changing the length of the connecting hoses. Eelco makes a similar one:
http://www.eelco-usa.com/product_inf...2f0132800cf5ab
They also sell carb linkage, so do other places like Vintage Speed:
http://www.vintagespeed.com/
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