For the USA and Canadian peeps earlier interested, I can arrange freight to you or one of you so you can save money and you will only need one head gasket to use or keep as reference for more locally your way.
Rowland makes these manifolds for webers for the B series head
M016 sells for172AUD and postage airmail is 64AUD, have stock
accepts Visa, Master and PayPal regards Rowland
http://datsun1200.com/uploads/newbb/737_528f605a04b0d.jpgand technotuning the billet version for eage tbi's
https://technotoytuning.com/mazda/na18 ... 4ag-throttles-18l-na-head
Im aiming for this look but using Z head w/ webers or bike carbs
http://datsun1200.com/uploads/newbb/737_5266861935b6c.jpghttp://www.youtube.com/watch?v=5kiqvp63bTU