AJS M18s/G80s Piston 500cc Alloy Head 1950-56 +030Compression Ratio 7.2:1including gudgeon Pin, piston rings and circlipsPiston Clearance 0.12mm or 45thouPin Diameter 22mmHight 81mmJP Piston Made in AustraliaPlease view ALL pictures
AJS M18s/G80s Piston 500cc Alloy Head 1950-56 Std +0,9 mm = 83.448 mm
Peter Hepworth
Std 82.548+0,9 mm
Position Clearance 0,12mm or 45thou
Pin Diameter: 22mm
Hight: 81mm
Incl. gungeon pin / wrist pin, circlips and piston rings
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Boyer Micro MKIV High Power Ignition Triumph Harris BonnevilleT140.TR7VPlease see the description and diagram in last pictures Please look at all pictures