RED 8MM PERFORMANCE IGNITION LEADS LOTUS ELAN SE 1.6i TURBO 16V M100 QUALITY. LOTUS ELAN SE 1.6i TURBO 16V M100. 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.