I got my Coker's here, as several people suggested they lasted longer than the similar Blockley's.

Very pleased with them and little wear after 4000 miles. Re-used original Blockley tubes.

Can't remember what I paid but note they are currently exactly the same price as Blockley's

Richard

2018 Roadster 3.7
1966 Land Rover S2a 88
2024 Royal Enfield Guerrilla 450
1945 Guzzi Airone