O.S. RP7 Gold Turbo Glow Plug "Cold"

The O.S. RP7 Gold Turbo Glow Plug glow plugs have always been tough enough to take the heat — and Speed RP6 and RP7 Gold Turbo Plugs with 24K gold plating take O.S. innovation to new levels! They’re the perfect complement for .18-.28 cu. in. turbo head On-road racing engines. The gleaming gold appearance makes these plugs really stand out, while commemorating O.S.’s 80th anniversary. Even more important, Speed RP6 and RP7 plugs boast many performance upgrades.