Holley EFI is the official software of Leah Pritchett's HEMI Challenger!

  It’s with heavy hearts that we have learned from sources that one of the best NHRA drag racers of all time, Tom “Mongoose” McEwen, passed away last night at the age of 81 years ...

The concept of a flyweight Dart, powered by an Elephant engine, with a stick behind it...motivated Jim to make this...Hemi Dart a reality.