A50/65 PISTONS

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PISTONS A65 GENUINE BSA STD
68-0427
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NEW OLD STOCK BSA pistons made by Hepolite. Some ugly stains from storage, but still usable. Complete with rings and circlips. STD size only pre 1966. Hepolite number 5933A
Price for a pair.

LOW A65 PISTONS
ZGPM751
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These low crown pistons were used from 1963-65.
Compression height 44mm. STD bore is 75mm. The second picture shows the difference in height. These don't fit the later models and you can NOT use the later pistons on the earlier bikes.
Sold by the pair.