Robert Bosch Merchandise

If you want to experience quicker starts, smoother acceleration and increased fuel efficiency, Bosch Platinum Plus is the spark plug for you. Only Bosch Platinum Plus features a platinum center electrode that's heat-fused into an extended ceramic insulator to eliminate air gaps which exist in platinum alloy-tipped plugs. And now Bosch Platinum Plus features a tapered, yttrium-enhanced v-profile ground electrode that extends the service life 25 percent longer than the original Bosch Platinum Spark Plug.

BOSCH Platinum Plus Spark Plug, 4008: Exclusive platinum technology in the center electrode for quicker starts, smoother acceleration and increased fuel efficiency Tapered, yttrium enhanced v-profile ground electrode provides a 25 percent longer performance life Lower ignition voltage requirement provides reliable cold weather starting and superior operation under all driving conditions Factory-set gap — once the proper gap is set, there's no need to re-gap Contains 1 spark plug