The sailing adventure begins with a single spark. Watercraft owners must choose to get only the best. A boat requires a powerful engine to give great benefits that last years of service. Autowares offers excellent machinery products made with great pride using high-quality materials. AC MR43T SPARK PLUG (MR43T) purpose was to ignite the air-fuel mixture in the combustion chamber. It is composed of strong alloys, with an insulator cast aluminum oxide ceramic and a shell of solid steel wire. It is responsible for creating a spark from an air-fuel mixture that starts the watercraft engine. It consistently provides a high level of good response across the range of driving scenarios. Key Features: It has excellent durability. Safe to use, proven to last for a long time. It has high ignitability and contributes to the reduction of discharge voltage. Designed to withstand corrosion caused by moisture and chemicals. Specifications: Brand: Autowares SKU: MR43T UPC: 808709617969 Weight: 0.90 LBS