Autolite was founded in 1911, and since 1935 has been a leading supplier of spark plugs for the automotive and power sports markets. Based out of Fostoria, OH, Autolite offers a wide selection of performance spark plugs lines, including Autolite Iridium XP, Autolite Revolution HT, Autolite Double Platinum, Autolite Platinum, Autolite Copper Core, Autolite Racing Hi-Performance, Autolite Glow Plugs, and Autolite XS Xtreme Sport.