Autolite APP5224 Double Platinum Spark Plug, Pack

pack of 3 Full platinum tips with platinum on both the center and side electrodes promotes reduced gap wear for improved plug life Works to optimize engine performance for a longer life and improved fuel economy Necked-down center electrode fires quicker and cleaner, with less voltage for easier starts, quicker acceleration, and improved fuel economy Platinum alloy pad on ground electrode for extended durability and service life and platinum-to-platinum firing Nickel-plated steel shell for long