The BSA A7-A10 Forum
Bikes, Pictures, Stories & more => Wanted & For Sale => Topic started by: 1985_Oyestein_RGS on 27.06. 2019 11:15
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I’m, looking for a pair of pistons for my A10 RGS replica that I am building, looking for 8.25:1 compression ratio. Any suggestions where to buy these pistons in the UK or any members have any spare pistons???
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I got some +80 8.25 GPM's from British only in Austria
what oversize are you after, it makes a difference.
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TMS Nottingham if you have not found any yet I can highly recommend their pistons
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managed to find a pair of Hepolite NOS pistons 9:1. from USA.
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https://www.feked.com/gandini-gpm-pistons-bsa-650cc-a10-models-circa-1951-62.html (https://www.feked.com/gandini-gpm-pistons-bsa-650cc-a10-models-circa-1951-62.html)
I see feked now list GPM's.
getting harder and harder to find genuine nos