Hi Rich----sorry cant help you with the AMAL air filter plate ---but a very warm welcome to the forum. BTW---I am in the next town to you (Moonachie). Do you know of the Wednesday evening meet in the summer at Rutts Hut in Clifton?
We have a few of different sizes and types AU$11.00 plus post, and many NOS AMAL Complete filters. what size carburettor, what offset etc? Also... You guys may also like these "Rich Child Cycle Co." decals/water slides.... Rich Child Cycle decal