In the world of motorsports, high performance engines come in virtually unlimited configurations. From a one-cylinder lawn mower engine to a 12-cylinder aircraft engine and nearly anything you can imagine in between, people will race anything. Like the variety of engines, every sanctioning organization has its own rules and specifications for engine design.
Chances are, if your shop builds complete motors, or if you are looking to get into this market, you probably only specialize in a few types of engines. It would be nearly impossible to build hundreds of different types of performance engines