PLEASE NOTE: Delays in processing orders. Orders placed between Tuesday 21 January and Monday 10 February will be processed 11 February.
Piston assembly (complete with piston, rings, gudgeon, circlips) to suit Norton ES2, Model 18 ,OHV 1948 to c1962. 79mm +0.20. Italian made by Gandini (GPM) #7915-50. Can be used for pre 1948 motors with large flywheels if the skirt length is reduce by machining. Compression height 35mm. This raises the compression from 6.6:1 to 7.1:1 for engine 1948 to 1956.Original Norton part number:3790; A3/163 - Piston assembly with gudgeon pinA3/160; A3/161; A3/162; A3/163; A3/164C3/702; L4/702; 19776 - Piston complete with rings, gudgeon pin and circlips