TUNE EVERY DETAIL,
MAXIMIZE EVERY
HORSEPOWER.
Precision-engineered injector CNC machining for high-performance combustion. We deliver the atomization your engine deserves.
Start Your Build
Our Precision Expertise

Micro-Porting
Advanced CNC throat refining for perfect fuel flow dynamics.

Tolerance Testing
Micron-level precision ensuring absolute consistency per cylinder.

Remanufacturing
Restoring OEM components to competition-grade standards.
The Ronin Standard
We don't just machine parts; we engineer performance. Our facility is dedicated to the art of fuel delivery, focusing on the critical intersection of fluid dynamics and mechanical precision.
Our Story
Born from the race track, built for the street.
Our Mission
To eliminate fuel inconsistencies for every driver.
Our Vision
Setting the global benchmark for CNC injector tech.
Our Values
Precision, integrity, and extreme performance.


Bespoke Component Engineering
Every engine is unique. Our custom CNC programming allows us to tailor injector nozzle geometry and spray patterns to your specific fuel octane and pressure requirements.
Precision in Focus
Witness the micron-level artistry of our machining process.




Engineered for the Extreme
Real-world testing of our precision components.




Client Feedback
"The atomization on the custom set from Ronin is night and day. My idle is smoother than ever and the power band is much more linear."
Marcus V.
Pro Drag Racer"Precision is an understatement. They remanufactured my vintage injectors to modern tolerances. Absolute perfection."
Julian S.
Restoration Specialist"Fast turnaround and the technical data they provided was incredibly helpful for my engine tuning sessions."
Elena R.
Performance TunerSecure Your Build
Contact our engineering team to discuss your custom fuel delivery requirements.