TPS have various brands of Spark Plugs such as NGK, DENSO and GAP. We offer the highest quality OE specification spark plugs manufactured using OE technology. Our spark plugs offer the best fuel economy and longer engine life. We stock spark plugs for virtually every vehicle application in: A. Conventional Nickel Alloy B. Platinum C. Iridium D. Super Ignition GAP Spark Plugs cover most Japanese, Korean, Europe and American vehicles.