I am currently rebuilding my YB and it has some AE 24063 pistons fitted at the min, I cant find any info on these pistons, does anyone know where to get some replacement rings for them, can I use a different brand, any reccomendations? are they cast or forged? what should the piston to bore clearance be, I have measured and I am getting 0.005" to 0.0055", this seems a little high if they are cast although there is no lip at all at the top of the bore which suggests little wear since the last rebuild which I believe was carried out aprox 16000 miles ago but back in 1999. I have also noticed some unusual wear where the gudgeon pin fits into the piston, is this normal?



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