The KOSO EFI Multimeter is a must-have tool for advanced EFI engine monitoring. Featuring a digital tachometer, dual thermometers, optional air/fuel ratio measurement, and voltmeter, it ensures...

Monitor your engine with the EGT exhaust gas temperature meter, ideal for preventing damage from high exhaust temperatures. Perfect for 2-stroke engines, it enables precise carburetor tuning by...

The KOSO EGT-02 EVO represents the evolution of the dual exhaust gas temperature gauge. This advanced instrument allows you to calibrate your engine with extreme precision, recording up to 50 driving...

The KOSO GP Style D48 Thermometer offers precision and reliability with a sleek design, perfect for monitoring water and oil temperatures. With a range up to 150°C, a maximum temperature memory,...

Experience precision and innovation with the KOSO GP Style RX2 Speedometer, the ultimate instrument for sporty and custom motorcycles. Fully E-Mark Approved / ABE, it offers advanced features to...

Upgrade your Harley-Davidson Dyna (2004-2011) with the KOSO HD-01-04 Plug & Play gauge in silver. This 8-color LCD display offers advanced functions such as speed, RPM, fuel level, gear position,...

Upgrade your Harley-Davidson XL-883, XL-1200 (2004-2013) with the KOSO HD-01-04 Plug & Play gauge in silver. This 8-color LCD display offers advanced functions such as speed, RPM, fuel level, gear...

The KOSO HD Digital Tachometer is exclusively designed for Harley-Davidson FLHT, FLHX, and FLTR models (2004-2013) with a Can-Bus system. Precision and advanced features to enhance your on-road...

The KOSO HD Digital RPM Gauge is exclusively designed for Harley-Davidson FLHT, FLHX, and FLTR models (2004-2013) with a Can-Bus system. Precision and modern design for a seamless riding experience. ...

Upgrade your Harley-Davidson Dyna (2004-2011) with the KOSO HD-01-04 Plug & Play gauge in silver. This 8-color LCD display offers advanced functions such as speed, RPM, fuel level, gear position,...