Use these high-quality spark plugs to avoid rough sounds and jittering and to keep your boat's performance at its peak. The SPARK PLUG RS12PYP (6/PK) (7401) features corrugated ribs to prevent flashover and pure alumina. It is made of trivalent metal plating for superior corrosion and anti-seizing properties. The plug's distinct copper core and exclusive electrode design ensure quick starts, peak performance, and long life. The SPARK PLUG RS12PYP (7401) has a triple seal that prevents leakages. The solid copper core improves heat dissipation, conductivity, and temperature range. Key Features: Constructed with trivalent metal plating Anti-corrosion and anti-seizing material Feature corrugated ribs to prevent flashover Improves heat dissipation, conductivity, and temperature range The spark plug has a triple seal that prevents leakages Prevent rough sounds and jittering and keep your boat's performance at its peak Specifications: Brand: Autowares SKU: 7401 UPC: 037551124596 Weight: 0.11 LBS