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The Koso round slide KCR carburetor is designed to maximize the air/fuel ratio for a better performance for 4-stroke engine. Built from the best qu...

Our elegant grips made for ATV and snowmobile use a revolutionary heated structure that delivers heat faster than ever. The 5-level temperature con...

Our elegant grips made for ATV and snowmobile use a revolutionary heated structure that delivers heat faster than ever. The 5-level temperature con...

This small AC/DC Converter made of aluminum will convert AC power into DC power. The AC/DC converter’s compact size and strong resistance make it t...

Our Apollo heated grips are designed with an integrated adjustable thumb switch, which allows them to easily fit on most ATVs and snowmobiles on th...

Our Apollo heated grips are designed with an integrated adjustable thumb switch, which allows them to easily fit on most ATVs and snowmobiles on th...

3 pieces kit includes: Bung Cap Aluminum washer

This LED volt meter is built in a nice and compact CNC aluminum casing. The green, yellow and red LED will help you to know the strength of your ba...

The DB-03R is a multifunction meter with a modern casing that provides necessary critical readings. The DB-03r features all standard indicators nee...

Our DB‑01R+ multifunction meter is an upgraded version of our popular DB‑01R multifunction meter. Perfect for motorcycles, street fighters or dual‑...

This DB‑02 multifunction meter was especially made to fit your off‑road needs. Its small inner battery makes it usable on all dirt bikes and ATV’s ...

The DL style meter serie is built using a reverse LCD screen that gives it a unique look as they become completely dark when turned off. Another g...

Koso’s DL‑01 meters use a reverse LCD display so when the meter is turned off, the screen is deep black.

The DL-03A is the newest addition into our lineup of multifunction meters which features air fuel ratio reading, RPM and playback ability to opti...

EGT Clamp 40-60mm

EGT Clamp 60-80mm

KOSO EGT-01 Single exhaust gas temperature

Fast Response (28-CKTYPEX) sensor. Clamp size : 40-60mm Clamp Included

fits all EGT sensors Stainless steel

Developed by Enduro riders and made especially for them, this EX‑02 speedometer is the perfect solution for all Enduro applications. Lightweight, c...

External Thumb Switch – for RX-2NS RPM Data Logger Fits on only RX-2NS RPM Data Logger For 7/8″ or 1″ handlebar

Screw Type For EX-02 Japanese Applications only

The HD‑01S for Harley‑Davidson® features a speedometer, an odometer, and a tripmeter. This instrument will fit the OEM speed sensor. Want something...

You can now customize your sportster with our high‑quality plug & play meter that is equipped with a 8 color changeable LCD display. Its steppe...