BSA/Triumph Piston B25 & TR25 +040Gugin pin 11/16" = 17.5mmCompression hight 29.75mm
Bore: 67mm +040 (=68mm)including gudgeon Pin, piston rings and circlipsPiston Clearance 0.12mm or 45thou
comp. ratio 9.25:1
Bore: 67mm +040 (=68mm)including gudgeon Pin, piston rings and circlipsPiston Clearance 0.12mm or 45thou
comp. ratio 9.25:1
Article number
BOA87
Price excl. VAT
€ 137,50