AJS/Matchless Pistons Twin 1956- Mod. 20. G9.Clubman. 498 cc OHV . +040/Pair +40 = 67 mm gudgeon pin diam. 19 mmPiston Clearance 0.12mm or 45thou incl. Gudgeon Pin, Piston Rings and Circlips JP Piston Made in AustraliaCompr. Ratio 7,8 : 1Price per PairPlease look at all pictures
+060 = 67.5 mm Piston Clearance 0.12mm bzw. 45thou incl. Gudgeon Pin, Piston Rings and CirclipsCompression Ratio 7,8 : 1 JP Piston Made in Australia Price per PairPlease look at all pictures