The EMPI HEI Ignition Kit improves performance and fuel economy in an easy to install and set-up package. This comprehensive kit was designed and engineered in Anaheim, CA and includes an all new HEI solid state billet distributor, 40,000-volt OE style coil that fits your stock clamp and high-quality 8.5mm plug wires. With simple hand tools you can modernize your ignition system for reliable starting and a more efficient spark. Everything you need is in the kit which includes a degreed billet distributor clamp, advance springs, bushings, spark plug terminal nuts, plug wire separators and O-rings for a clean installation since the EMPI kit doesn t use any other modules or boxes to mount in your engine compartment!