AJS/Matchless Piston 350cc +020Gudgeon Pin: 22 mm - 7/8" for Alloy Cylinder Head 1948-62 7,5:1 OD 69.5 mmTotal hight 85 mmPiston clearance 0,12 mm347 cc OHV 16M 1948-55347 cc OHV 16MS 1956-58Please look at all pictures
no warranty
Thread in spark plug holes are good
Rocker stud threads 26 TPI 5/16 good useable condition
Inlet Manifold – 2 threads 5/16 26 TPI – good condition
Our only negative comment – one oft he front rockerbox holes is now 5/16 not ¼“