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we're dealers in pre and post war british motorcycles, restoration projects, new old stock and genuine used spares
One pair (one long and one short)
From Alpha’s vaults
BSA M20/21 valve guides
To fit pre war til the end of
5/8” o/d
9mm bore
87mm inlet
83mm exh
Ex guides on s.v’s
Proper grade iron
Ground finish
Part number G432/3
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