Norton 600/650cc Piston/Pair GPM +20 68,5 mm Diameter, new at 600 cc Compr. Ratio: 7.4:1 at 650 cc 8.25:1 middle gudgeon pin-top: 40 mm Gudgeon pin diameter: 17. 5 mm - 11/16"
Piston Clearance 0.12mm or 45thou 297 g weight Mod. 77 v- 1956-58 Mod. 99 1956-62 Nomad 1968 650 1960-63 Mod. 99SS 1961-62 650 SS 1961-70 including gudgeon Pin, piston rings and circlipsprice per pairPlease look at all pictures
Matchless/AJS 350 cc Cylinder G3LS 70 mm +040 usedneeds reboring013701for alloy cylinder headfor restoration - no guarantee - broken ribsplease look at 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
Please view ALL pictures
AJS/Matchless Piston 592cc OHV Mod. 30/G11 1956-58 STD Pair
72 mm - 2.8346"
CR 7.5 :1
JP Piston
including gudgeon Pin, piston rings and circlips
Piston Clearance 0.12mm or 45thou
price per pair
Please see last pict. for measurements
AJS/Matchless Piston 350 cc +060 Alloy Head 1948-55 G3L Compression 6.3:1 complete incl. Rings, Circlips and Gudgeon Pin Piston Clearence 0.12mm or 45thou 69 mm = STD +60 = 70,5 mm JPtotal hight 82 mmplease look at all pictures
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