The largest, most powerful internal combustion engine on earth is nothing without fire - in the form of electricity. It is that spark of electricity that ignites the fuel-air mixture in your cylinders, causing the explosions that cause the engine to rotate. It all depends on that ignition system. When you think of ignition systems, think of MSD. This is a company that is dedicated to high performance, and the MSD Ignition Coil Interface is an important part of any high-performance ignition system. These are manufactured for virtually every make and model on the road today, and is installed between you're the ignition module and the coil pack. Installation is not difficult; just follow the color-coded wires and attach them directly to the terminals. The MSD Ignition Coil Interface is made of hard polyurethane that will stand up to almost anything - including the blazing temperatures found in your engine compartment. The MSD Ignition Coil Interface is engineered for maximum performance and reliability. MSD has been supplying quality high-performance ignition and fuel system components to professionals and amateurs alike throughout the world. Try MSD ignition components in your own vehicle today, and experience the difference in your own car's performance first hand. Auto part buyers understandably desire first-rate sales help while shopping for good quality parts for their car or truck. Thus, we've created an always-open service call center to address your calls. Everybody hates to pay for shipping, that's why you always get FREE shipping for every order more than $50. If you spot a lower price elsewhere, tell us - we will beat any price advertised elsewhere.