Fits all triumph twins NOT oil in frameFits triumph 3 cylinder except with Conical front hub or Disc brakes.T100 1970-74Fits bsa rocket 3 mk1 A75Fits Bsa a65 with Shuttle valve forks 1968 up to oil in frame.Will replace the similar item in earlier unit Triumph twinsMade in England
AJS Piston 497 cc. 1956- OHV. 18CS/G80CS +020 STD= 86 mm +20 = 86,5 mm CR 8.7:1 Measurements see last picture please JPincluding gudgeon Pin, piston rings and circlipsPiston Clearance 0.12mm or 45thouPlease view ALL Pictures