NGK Iridium Uprated Spark Plugs – Modified – Long Reach – Heat Range 7 – EJ20/25

NGK are the World leaders in spark plug technology. With over 80 years of automotive expertise, they are driven by extreme dedication to performance and quality. From OEM to aftermarket, they push the boundaries of innovation to give you the very best for your Subaru. At RCM it’s the only spark plug product we’ll use on either standard or modified Subaru’s maximising the engine response and power potential of your engine. This set of spark plugs is suitable for all Subaru Impreza Turbo engines running 2.5 litre cylinder heads and quad VVT running 2.0 litre cylinder heads. Ideally suited to engines running slightly hotter cylinder temperatures, from increased boost levels.