BSA A7 Pistons 1950-61 +020 /Pair
BOA-B156/020. 67-1424BSA Piston Assembly +020 A7
Price per Pair
+20 = 66.5 mm
Compression Ratio 6.5:1
Piston Clearence 0.12mm or 45thou
BSA Piston Assembly +020 A7
Price per Pair
+20 = 66.5 mm
Compression Ratio 6.5:1
Piston Clearence 0.12mm or 45thou