PLEASE NOTE: Delays in processing orders. Orders placed between Tuesday 21 January and Monday 10 February will be processed 11 February.
Valve cap copper ring for side valve (SV) engine with captive (non-removable) cylinder head. Suits Nortons pre c1932. OD 52mm; ID 45.35mm; Th 2mmOriginal part number 5137 - Valve cap copper asbestos washer