PLEASE NOTE: Delays in processing. Orders placed between Thursday 11 April and Wednesday 1 May will be processed 02 May.
Oil Non-return valve suit Commando and Norton twins, 3/8 inch spigot ends. Includes instructions. Same spring and ball as fitted to Velocettes. Length: 2 1/2in (65MM); Weight: 37g; Diameter: 1in (25MM); Inside Diameter: 5/16in (8MM). Stops wet sumping, anti drain valve.
