![](https://syro.nl/wp-content/uploads/2021/11/cropped-3Cil-Rova-V4-1.png)
© 2015 – 2021 Syro Inventions © 4RoVa™
4RoVa™
4 Stroke Valve replacement
Exchange
2-4 valves
&
drive gears
for
ALL CERAMIC
4RoVa™
4 Stroke engines equipped with 4RoVa™.
Better performance, less resistance and loss caused by many moving parts, gears and springs.
![](https://syro.nl/wp-content/uploads/2021/11/cropped-Cilinder-Modulair-2.png)
![Loading file](https://syro.nl/wp-content/plugins/woo-3d-viewer/images/ajax-loader.gif)
Modular by Design
Easy Swap & Repair
&
Freedom Engine Type
You can “Assemble”
your own configuration.
Boxer, V or In-Line
Electric drive-line
Integration
© 2015 – 2021 Syro Inventions © 4RoVa™