Champion 7318 Champion Double Platinum - Boxed - RC12PMPB4

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.