NGK Iridium Racing Spark Plugs -Competition Spec - Heat Range 9 - EJ20 Model_Impreza 2014+ ensuring the quality remains as

ensuring the quality remains as high as possible

ensuring the highest quality possible

when necessary

Developed to maximise power and at the same time minimise turbo lag ensuring you have perfect power delivery for your intended application

along with the small idler bearing

NGK Iridium Racing Spark Plugs -Competition Spec - Heat Range 9 - EJ20 Model_Impreza 2014+ ensuring the quality remains as4 x NGK Iridium Racing Spark Plugs for heavily modified Impreza's used on track. 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