Bosch Platinum+4/Spark Plug
The best of the BOSCH Platinum Series, with the most platinum, delivers maximum engine power for a longer performance life.
* Revolutionary surface air gap firing technology featuring multiple spark paths that delivers the longest, most powerful spark for ultimate engine performance
* More platinum vs. BOSCH Platinum plus for smoother acceleration, top fuel economy and maximum engine power
* Four yttrium enhanced ground electrodes provides 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
* Electrode gap is factory set which never requires adjustment and ensures ease of installation
