Blue Thunder Performance Spark Plugs (Big)

Blue Thunder Performance Spark Plugs (Big)

The Blue Thunder Spark Plug's tri radial arc provide a 360 degree spark and expose the flame kernel to the air / fuel mixture to create a much larger and more aggressive burn,  reducing misfires and producing a more effective and complete combustion cycle

• Quicker Starting
• Smoother Idling
• Longer Life Span
• Big Head 21mm - BN7C3
• Improved Throttle Response
• Reduced Fouling With Larger Spark Nucleus
• Sold Each