NGK Iridium Racing Spark Plugs for Heavily Modified Impreza's - Heat Range 8 - EJ20 Exhausts_Exhaust Centre Sections Recommended for race days

Recommended for race days

the result is a true ½ inch finished outer insert thickness and true ¾ inch finished inner insert thickness

• Special alloy disc and bell assembly

each rail is supplied with stainless steel -6 shouldered male fittings ready to connect to your braided fuel lines

Enlarged ID chamfers on bearing edges where required to accomodate large fillet radius on performance crankshafts

NGK Iridium Racing Spark Plugs for Heavily Modified Impreza's - Heat Range 8 - EJ20 Exhausts_Exhaust Centre Sections Recommended for race daysNGK 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