Revolutionary surface air gap firing technology featuring multiple spark paths. 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.
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.
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 Viscoelastic the advantages of surface air gap technology, four yttrium-enhanced ground electrodes, and a heat-fused center electrodes with the most platinum, creating the most powerful spark you can buy.