Ngk 2667 Iridium
Ngk 2667 Iridium - ngk iridium one step colder spark plugs (bkr7eix) for 02-05 subaru wrx | 2667
subscribe - http: youtube subscription_c. 0:14 why would you fit iridium spark plugs? 1:14 you don't need to worry about the gap like platinum spark plugs . ngk iridium spark plugs 6994 (izfr6k11) - http: amzn.to 2fcesp3 ngk (6994) laser iridium spark plug designed to operate over a much wider heat range than ordinary .