The Champion XC12PEPB/955M Copper Marine Spark Plug Pack of 4 is a high-quality ignition system component designed specifically for marine engines. Made in the United States with copper material, these spark plugs offer superior performance and durability. With the OE/OEM part number XC12PEPB, this product ensures a perfect fit and reliable spark generation for your marine engine, helping to ensure smoother and more efficient operation. Whether you're powering a small fishing boat or a large commercial vessel, this Champion spark plug pack is a dependable choice for keeping your engine running smoothly.