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BSA A7 Pistons 1950-61 STD. /Pair
BSA A7 Pistons 1950-61 STD. /Pair
BSA A7 Pistons 1950-61 STD. /Pair
BSA A7 Pistons 1950-61 STD. /Pair
BSA A7 Pistons 1950-61 STD. /Pair

BSA A7 Pistons 1950-61 STD. /Pair

BOA110/Pair. 11288.STD.

BSA Piston Assembly STD. A7

Price per Pair

STD. = 66 mm

Compression Ratio 6.5:1

Piston Clearence 0.12mm or 45thou