Champion 7437 Double Platinum Replacement Review

Double Platinum Power - Premium Spark Plug. More Powerful Performance. Platinum center and ground electrode for greater wear resistance. Maintains stable operating temperature under all engine loads. Fine-wire center electrode for greater ignitability. V-trimmed ground electrode promotes sharper spark focus. Double platinum conductors place platinum on both the center and ground electrodes to ensure longer plug life and minimize wear on both electrode surfaces. An exclusive heat-active alloy allows the electrodes to reach optimal temperature quickly and maintain stable operating temperature under all engine loads. Champion double platinum spark plugs utilize an exclusive heat-active alloy; The dual platinum fine-wire center electrode and platinum pad electrodes provide sharper spark focus and maximize plug life. The fine-wire and V-trimmed electrode creates a sharper spark focus than a conventional spark plug.