Denso Direct Ignition Coil 673-4020 CHOOSE A PIONEER IN DIRECT IGNITION TECHNOLOGY: DENSO developed the auto industrys first compact stick-type ignition coil and other advanced features including micro-sized driver circuits and diagonal inductive windings which eliminate sectioned bobbins and reduce size and weight SAVE SPACE: the compact direct ignition coil requires no high-tension ignition cable and fits neatly into the engines spark plug bore MAXIMIZE PERFORMANCE AND ELIMINATE PHANTOM MISFIRES: each DENSO ignition coil is designed and optimized for its specific application, then continually improved by DENSOs global engineering team ENSURE EFFECTIVE COMBUSTION: one key to optimal combustion in todays low-emission, high-efficiency engines is consistent, high-energy ignition output, and DENSO delivers it REDUCE THE NEED TO GENERATE HIGH VOLTAGE: improved coil efficiency provides maximum available voltage under all operating conditions