Adjustable RPM and speed limiter with off switch designed for 50CCM engines.Compatible with models like the Ark Kross Dragster, this device allows precise control over engine speed to meet specific performance requirements.The off switch enables easy deactivation when needed.Installation is straightforward, integrating directly into the ignition system to regulate maximum RPM.Suitable for use in various small engine applications where speed control is necessary.Disclaimer: This is not an part.References to brands or models are used only to illustrate compatibility.