what Plugs do you Run in your Z20LEH engine ??
me i have been using a champion CHAQC57C in my car with no probs
its been doing 302bhp with no probs at all
Iridium Spark Plugs are on in NA cars but in a Turbo car they dont like the heat an the Tips can Drop off an Kill the engine

vs

waits for people to be Told why X,Y,Z tuners sell them then ??
well they are the Game to make money an to give people what they want
me i have been using a champion CHAQC57C in my car with no probs
its been doing 302bhp with no probs at all
Iridium Spark Plugs are on in NA cars but in a Turbo car they dont like the heat an the Tips can Drop off an Kill the engine

vs

waits for people to be Told why X,Y,Z tuners sell them then ??
well they are the Game to make money an to give people what they want
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