Center Electrode 14mm Thread Copper Marine Spark Plug
Thread Size: 14mm
Seat Type: Gasket
Reach: 12.7mm (1/2")
Hex Size: 13/16" (21mm)
Terminal Type: Removable Nut
Gap: .031" (0.8mm)
Champion Racing Series Plugs Include all the Features of Their Conventional Plugs, but are Built with Extreme Engine Conditions and Durability in Mind.
Nickel Alloy Ground and Center Electrodes.
Copper Core Center Electrode Allows for Increased Conductivity and Heat Control.
