Built on Data. Driven by Speed.
OUR STORY
Grand River Racing is a performance-first engineering company based in Michigan, dedicated to pushing the limits of 2-stroke performance.
We don’t follow trends — we build what wins.

PHILOSOPHY
We believe speed is a science. Every engine is the result of relentless testing, engineering, and refinement.
REPUTATION
Known across the racing community as the gold standard, our builds are trusted by racers who demand results — not excuses.
MEET OUR TEAM
WHY CHOOSE GRR?
The Gold Standard in 2-Stroke Performance
- 30+ Years of Proven Engineering Data
- Proprietary In-House Designs
- Record-Holding Performance Builds
- Precision CNC Machining
- Built for Competitive Racing — Not Casual Riding



