BSA CB/DB Goldstar 350cc Piston 080 with Piston Rings, Gudgeon Pin and Circlips STD: 71 +080 = 73mm Piston Clearance 0.12mm or 45thoumiddle Gudgeon to top of piston: 40 mmMiddle Gudgeon pin to first step: 33 mmGudgeon Pin 19 mmsee last pict.compression 9:1JP Piston
BSA CB/DB Goldstar 350cc Piston 030 STD: 71 mm +030 =71,75 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