BSA CB/DB Goldstar 350cc Piston 040 72 mmJP Piston Piston Clearance 0.12mm or 45thoumiddle Gudgeon to top pin: 40 mmMiddle Gudgeon pin to first step: 33 mmGudgeon Pin 19 mmPlease look at all pictures
BSA CB/DB Goldstar 350cc Piston 060 with Piston Rings, Gudgeon Pin and Circlips
72.5 mm
Piston Clearance 0.12mm or 45thou
middle Gudgeon to top of piston: 40 mm
Middle Gudgeon pin to first step: 33 mm
Gudgeon Pin 19 mm
see last pict.
compression 9:1
GPM - Made in Italy