Bosch 4503 Spark Plugs FGR7DQI PLATINUM. IR / IRIDIUM FUSION. Improves Gas Mileage & Performance! |
Features |
Fused iridium and platinum center electrode, sintered into an extended insulator nose
| Revolutionary surface air gap firing technologyfeaturing Bosch's unique four grounelectrode design
| Four yttrium enhanced ground electrodes!
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Reaches self-cleaning temperature only seconds after starting and provides exceptional wear resistance
| Resists spark plug wear and oxidation for exceptional performance life
| Factory pre-set gap
| Delivers the most powerful spark for the most efficient combustion and optimum horsepower without increasing the voltage requirement
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Each buy it now is for one spark plug. Note: Not all vehicles are listed on the ebay compatibility chart. |
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