NGK 4323 BR6FS spark plugs.

Product Specs:

• Fit’s most carbureted & some throttle body injection engines in tournament ski and wakeboard boats.
• Gap to .035 on most indmar 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 sicking & tearing
• Sold individually

Bakes Resource Library:

• Indmar Spark Plug & Spark Plug Wire Reference Chart (PDF)