NGK 4323 BR6FS Spark Plug

• Fit's most carbureted & some throttle body injection engines in tournament ski and wakeboard boats.
• Gap to .035 on most Indmar engines that require this spark plug
• Make sure to use anti-seize on aluminum cylinder heads (All Hammerheads & Corvette Engines)
• Use dielectric grease to avoid spark plug boots from sticking & tearing
• Sold individually