E-TYPE / XKE MK2. This is a none conductive item so will not hamper the feed to the plugs. XJ SERIES 1-3. FITTING INSTRUCTIONS INFORMATION. They have a waterproof seal around the spark plug and are resistant to oil, water and under-bonnet corrosive materials.Ignition leads connect the distributor to the spark plugs and therefore form an important part of the overall car engine ignition system.
