Champion 7166 Champion Double Platinum Power 7166 Spark Plug

Platinum center and ground electrode for greater wear resistance. Champion Double Platinum Power spark plugs deliver more powerful performance. Featuring exclusive Heat-Active alloy, platinum fine wire center electrode and platinum pad ground electrode provide maximum life and sharper spark focus. Maintains stable operating temperature under all engine loads. Fine-wire center electrode for greater ignitability. V-trimmed ground electrode promotes sharper spark focus. Heat-Active alloy allows electrodes to reach optimal temperature.