R5671A8 Racing Plug

For many years, NGK Spark Plugs have been firing race engines to victory around the world. NGK knows that race vehicles are pushed to the edge so NGK designs every spark plug to withstand severe mechanical and thermal shock. You can be confident on the track because of NGK's dedication off the track. Sold individually. NGK Racing Spark Plugs feature: Fine-wire center electrodes for enhanced sparking and ignitability OR fine-wire ground electrodes for even better ignitability Electrodes made with precious metals, such as platinum or gold/palladium, for lower voltage requirements & greater durability Special insulator configurations for improved throttle response