10mm x 3/4" reach. This premium LGS spark plug features a silver center electrode that provides the best heat and electrical conductivity of any other material. This plug was specifically designed for Lamborghini Motori Marini. This plug does not require indexing and it will discharge at the point of the richest mixture in a 360 degree perimeter. This plug requires a high energy ignition system such as a MSD or ICE system. This plug has a projected tip and it is a resistor type plug. It has a heat range comparable to a NGK 7.

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