5187 NGK Racing Spark Plug. Part# R0161-11

Product Description
Fine wire racing plugs are designed to give you a stronger spark from your existing ignition system. Fine wire center electrode requires less voltage to ionize(jump) the plug gap. This allows a stronger spark which will better ignite the air fuel mixture leading to more power. Traditional ground electrode. Nickel alloy center and ground electrodes. Hand made in Japan and constructed to withstand the most extreme racing environments.
5187 NGK Racing Spark Plug. Part# R0161-11