Spark plug resistor H.T. cap, waterproof - Silicone rubber - Resistor type, Champion
Water tight connection. Heat resistant silicon, will not come off or go 'baggy' after a few months like standard 'bakolite' plug caps. Suitable for most Lambrettas and Vespas.
To fit standard threaded terminal spark plugs (you need to take the cap off the top of the spark plug!)
Price includes VAT @ 20%