NGK Iridium Racing Spark Plugs -Competition Spec - Heat Range 9 - EJ20 Model_Impreza 2014+ This is never more important

This is never more important than with our range of RCM Power Parts timing belt kits where we are working closely with NTN

Fitting a catch tank kit enables you to vent all excess vapours directly into a separate tank where the oil is then separated from the damp air before being returned directly back into the sump oil pan

ensuring the highest quality possible

The plenum volume and runner length combination has been optimized for brutal low and mid range torque while increasing top end power aggressively

ensuring the quality remains as high as possible

NGK Iridium Racing Spark Plugs -Competition Spec - Heat Range 9 - EJ20 Model_Impreza 2014+ This is never more important4 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