BLUE 8MM PERFORMANCE IGNITION LEADS FOR ROVER SDI SD1 SDI 3.0L 3.5L 3.9L V8 QUALITY HAND BUILT HT. ROVER SD1 SDI 3.0L 3.5L 3.9L V8 HAND BUILT. 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.
