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.
Smiling mechanic in a blue shirt standing with arms crossed in a garage beside a car under repair

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


ANDY

Owner

TOM

Engine Builder

NABIL

Tuning Specialist

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
Mechanic lifting a car engine crankshaft, inspecting engine parts in a workshop
Car engine cylinder head on a workshop bench with tools and parts in the background

Ready to Build Something Unstoppable?