Hello,This is a vintage New Old Stock (NOS), Original Brass Enots Aston Style Petrol Cap & Mounting FlangeIn great new unfitted condition. Filler hole is 2" / 52mm in diameter, cap is approx 3" / 76mm & flange diameter 4" / 102mm With Breather ho..
Vertical type magneto for 4 cylinder engine. Type JA 4. Form X49 N° 1K68514. In good working order but HT-wires should be replaced. No cracks in Bakelite caps.