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Description: BOSCH Platinum +4
Only Bosch platinum +4 plugs feature a revolutionary four ground electrode design which allows the spark to choose the most efficient path. It also has an exclusive pure platinum center electrode. Together, they help deliver the most powerful spark you can buy. We guarantee you will feel the difference. Ignite performance with Bosch Platinum +4. (set of 8)
BMW also uses the same plugs in their engines (as shown).
Four ground electrodes provide multiple spark paths which allow the spark to travel the most efficient path and deliver a longer and more powerful spark than conventional single electrode plugs. This offers superior burn characteristics for ultimate engine performance.
Only Bosch uses a pure platinum center electrode that's heat-fused into a ceramic insulator to eliminate air gaps which exist in platinum alloy-tipped plugs. Platinum+4 reaches its self-cleaning temperature faster for smoother acceleration and better fuel efficiency. Plus, Platinum+4 adds 75% more pure platinum over that of Bosch Platinum to its center electrode, providing a longer performance life.