BSA B25 zuiger , 16945 , 40-0970
Hepolite Piston for BSA B25 single models etc.
STD , +20 , +40 , +60
As fitted to BSA C25,B25 models (1967-71)9.5-1, BSA Goldstar 250SS,
B25SS,Victor 250, B25T models (1971) 10-1, Triumph TR25W (1969-71) 9.5-1,
and Triumph T25SS Trail blazer (1971) 10-1.
Supplied complete with Hepolite ring, gudgeon pin and circlips.
Compression Ratio :9.5-1,10-1
Hepolite number : 16945
Bore size : 2.6378",67mm