AUDI 100 80 2.0 A6 C4 B4 QUATTRO ABK. A6/A6 AVANT 2.0i (RESISTIVE ABK) 1994. CABRIOLET/CONVERTIBLE 2.0E (RESISTIVE ABK) 1993 > 1998. 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.
