The most platinum with four yttrium-enhanced ground electrodes and the most powerful spark.
If you require the best in platinum performance over the longest service life, Platinum+4 is the spark plug for you. Platinum+4's unique revolutionary firing technology combines the advantages of surface air gap technology, four yttrium-enhanced ground electrodes, and a heat-fused center electrode with the most platinum, creating the most powerful spark you can buy.
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Bosch Platinum+4 Features |
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Bosch Platinum+4 Benefits |
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Revolutionary surface air gap firing technology featuring multiple spark paths |
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Delivers the longest, most powerful spark for ultimate engine performance |
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More platinum vs. Bosch Platinum Plus |
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For smoother acceleration, top fuel economy and maximum engine power |
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Four yttrium-enhanced ground electrodes |
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Provide optimum access to the air/fuel mixture for the most efficient combustion, plus the yttrium alloy ground electrodes reduce gap wear and oxidation for extended performance life |
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Electrode gap is factory set |
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Provides ease of installation - never requires adjustment |