Edelbrock part #22740 Electronic Oil Filled Ignition Coil with Chrome Finish 0.45 PR, deal for high performance vehicles that have been converted to a electronic breakerless distributor, where a traditional oil filled can-style coil is preferred for the correct classic appearance. Designed with optimized winding for use with ready-to-run distributors and 6 Series CD ignition control boxes. Engineered for high output resulting in quicker starts, improved throttle response and more power at higher RPM