Champion RN8WYPB3 (9804) Iridium Replacement Spark Plug, (Pack of 1) Optimal Performance: Fine-wire Iridium center electrode and platinum ground deliver maximum life Exclusive Heat-Active Alloy: Allows electrodes to reach optimal temperature quickly and remain stable under all engine loads Works with Any Engine Type: Greatest engine performance regardless of engine type or ignition system Maximum Power: With faster throttle response and focused spark Compatible with the Following Applications: Abarth, Alfa Romeo, Allard, Amphicar, Armstrong-Siddeley, Aston Martin, Audi, Austin, Austin Healey, Bertone, BMW, Buick, Chevrolet, Citroen, Dodge, Eagle, Elva, Ferrari, Fiat, Ford, Feo, Glas, GMC, Hillman, Honda, Humber, Hyundai, Jaguar, Jensen, Lada, Lamborghini, Lancia, Land Rover, Lotus, Maserati, Matra, Mazda, Mercedes-Benz, Mercury, MG, Mitsubishi, Morgan, Morris, Nissan, NSU, Oldsmobile, Panther, Peugeot, Plymouth, Pontiac, Porsche, Reliant, Renault, Rolls-Royce, Rover, Saab, Sabra, Salmson, Siata, Simca, Singer, Subaru, Sunbeam, Suzuki, Toyota, Triumph, Turner, TVR, Volkswagen, Volvo, Wolseley, Yugo, Arctic Cat, Cobra, Gas Gas, Kawasaki, Moto Guzzi, Polaris, Ski-Doo, Yamaha, Focused spark for maximum power Exclusive Heat-Active alloy maintains stable operating temperature under all load conditions Faster throttle response