Performance Distributors is from Memphis, Tenn. They are leading the way in performance and racing ignition system innovation. The (D.U.I.) Davis Unified Ignition and their Live Wire ignition wires are on vehicles worldwide. Their product development is a continuous process at Performance Distributors. Kelly Davis, the founder of Performance Distributors, is now run by his son Steve. Kelly Davis designed the industry’s first H.E.I. Performance Distributor. He had a background in Drag Racing and Hot Rodding. Kelly mastered the science and art of setting advance curves. This unique science was passed on to Steve, and the company is now the most respected in the world for their advance curve technology. This unit is for the Chrysler/Dodge 426 Hemi . Some features include : Internal coil and Module, One wire hook-up , Custom Advance curve , Street/Strip up to 7000 RPM's , Racing version up to 10,000 RPM's ...