well, long story, not so much long as it is annoying for me.
today me and my mate went out to the shops that are supposed to stock new pistons for A15 engines. anyway we arrive at the first and the guy was helpful as, but when looking through the tomei, nismo, trust and various other catalouges, no aftermarket brand now makes pistons for the mighty mighty A series engines. we think that the other shop might have something else to say about it, you know as they do. but the same story.

anyway guys in Auckland St T Hi tek in nuffield street New Market, can get cams and heaps of stuff for A series engines but not pistons. and they are a pretty good shop as well, i suggest you check them out.