Which spark plugs for me? Bolt on car, do I need Iridium?
08-18-2005, 09:13 PM
#1
Which spark plugs for me? Bolt on car, do I need Iridium? I am a lid, headers ORY & catback car. Getting NGK TR55 installed. Are the .050's at $1.99 good enough or should I get the Iridiums for $6.99. Are they really worth $6.00 more?
