NGK 4323 BR6FS Spark Plugs.
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 Di-Electric Grease to avoid spark plug boots from Sicking & Tearing
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