Autolite 275 Spark Plug Loose Nut Terminal Since its inception, the Autolite brand has provided the automotive aftermarket and Original Equipment manufacturers the highest quality ignition products. As a leading supplier of spark plugs, ignition wire sets and Coil-on-Plug boots, the Autolite brand has the right ignition products for you, regardless of your vehicle make or model. Autolite 275 Spark Plug Loose Nut Terminal Features: Product Type: Non Resistor Heat Range Chart Location: C9 Hex: 13/16" Reach: 1/2" Resistor/Non-Resistor/Suppressor: Non Resistor Seat: Gasket Thread Diameter: 14MM Tip: Power