This box of 8 Champion 592-1 RJ12C spark plugs is a must-have for boat owners and mechanics looking for reliable ignition performance. Each plug is brand new and sealed, ensuring maximum efficiency in your outboard engine. Made in the United States, these spark plugs are designed for powerhead components and are compatible with a variety of boat parts and accessories. With no warranty included, you can trust in the quality of these plugs to deliver superior performance in your marine engine.