Our Reference series provides the new benchmark in high performance engines.

Rounder cylinders. Straighter main bores. More precise balance. We select, inspect, machine and assemble the best engine components to build the best engine packages possible. With a Reference by DSPORT engine assembly, you spend more time on the track and less time under the hood. Utilizing technology and processes from Formula 1, IndyCar and various other motorsports, the best engine machinists and engine assemblers in the world can now produce an engine with unmatched reliability, efficiency and performance. It’s no wonder that the Reference by DSPORT engine assemblies are the first choice of the top teams in nearly every facet of motorsports.
Now, these proven engine assemblies are available for everyone’s racing application.