Ngk Ngk Automotive Spark Plug, NGK6535, Nickel, Gasket Seat, Standard Tip Design, 10MM Ngk high performance nickel spark plug designed for small automotive, generator, motorcycle, and power equipment engines. Features a 10 mm thread size, gasket seat, and nickel center electrode for... Quick view Qty in Cart: 0 Price: Log in for pricing and quote Subtotal: Login for Pricing & Quote