KOSO

The infrared temperature meter has been designed to provide critical surface temperature readings. The sensor features a 10° field of view measurin...

The infrared temperature meter has been designed to provide critical surface temperature readings. The sensor features a 10° field of view measurin...

The Koso 4V Head Kit is the ideal engine part to complete the Koso Honda Grom® Big Bore kit. Because of its unique 4 valve design, the air flow and...

The 100% plug and play HD-05 series for 4 ½” gas tank mounted models features a tach and speedo combo with a programmable shift light with gear ind...

The 100% plug and play HD-05 series for 4 ½” gas tank mounted models features a tach and speedo combo with a programmable shift light with gear ind...

The infrared temperature meter has been designed to provide critical surface temperature readings. The sensor features a 10° field of view measurin...

Great tool for serious engine tuners Meter instantly tells you if temperature and atmospheric pressure changes so proper changes can be made Allo...

This back lighted wide-band air/fuel ratio gauge will give you information on your engine to allow a more precise tuning. The programmable warning ...

Useful tool for adjusting your carburetor - Stage6 Idle Speed / Mixture Adjustment Screw, available for PWK / Keihin, PHBG nad VHST / PHBH / PHBL c...

Features air fuel ratio, RPM, volts, and playback ability Large digits on backlight display screen Compact and lightweight

Features air fuel ratio, RPM, volts, and playback ability Large digits on backlight display screen Compact and lightweight

Matte black shell/clear lens M10 size

Integrated temperature level thumb switch allowing to easily navigate through the temperature settings Does not require power/ heat switch, all i...

Integrated temperature level thumb switch allowing to easily navigate through the temperature settings Does not require power/ heat switch, all i...

Integrated thumb switch for easy installation, heat setting can be changed without removing your hand from the handlebar "Plug and play" wiring c...

Integrated temperature level thumb switch The integrated 5 temperature level thumb switch which allows riders to easily power on/off or adjust th...

Integrated temperature level thumb switch The integrated 5 temperature level thumb switch which allows riders to easily power on/off or adjust th...

Unleash all the power your Honda GROM can handle with the Koso 170cc Big Bore kit. Ceramic coated aluminum cylinder 61mm bore, 11.5:1 compression ...