The Denso 673 1303 Direct Ignition Coil is designed for easy installation and reliable performance. It is identical in form, fit, color and performance to the factory-installed part. The Denso direct ignition coil has a compact shape and is designed to operate in high temperatures. It features a unique construction with a small integrated driving circuit in the top of the coil. This item also uses diagonal windings to reduce the size and weight. It is built to provide optimal performance with reduced noise.