Norton ES2/Mod. 18 Piston +020

BOA18

Norton ES2 Piston +020

complete

GPM/Gandini

STD. 79.0mm +020 (79.5mm)

gudgeon pin 22 mm

Compression Height: 35.1mm

Piston Clearance 0.12mm or 45thou

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Norton. 16H. ES2. Mod 18. Crankshaft Bearing Set. 1937-46.