NGK Iridium spark plugs are designed to operate over a much wider heat range than ordinary plugs. They resist carbon buildup and pre-ignition, and a patented triple gasket sealing process eliminates the possibility of combustion gas leakage. Genuine NGK Iridium spark plug (stock #6619), sold as a pack of 6.
Genuine OEM NGK Iridium IX replacement spark plug, part number 3521; pack of 4.
90-degree elbow resistor spark plug cap, 5K ohm resistance, waterproof; fits 10mm and 12mm plug threads.
Dependable nickel electrodes for cars, marine, and small engines. 20,000-30,000 mile reliable ignition.
Ultra-fine 0.6mm iridium tip sharpens throttle response and acceleration; 40,000-60,000 mile fine-wire performance.