Ngk 5574 Spark Plug

Ngk Spark Plugs Are Designed To Operate Over A Much Wider Heat Range Than Ordinary Plugs. They Resist Carbon Buildup And Pre-Ignition. Each Features High Alumina Ceramics For Better Heat Transfer And Electrical Insulation. A Patented Triple Gasket Sealing Process Eliminates The Possibility Of Combustion Gas Leakage, And A Longer Insulator Nose Prevents Fouling And Misfiring. A Solid Copper Core And Its Nickel Tipped Electrode Provide A Longer Plus Life.