KOSO

Our Mini4 tachometer uses an LCD screen powered by an inner CR 2032 changeable battery that allows installation on any vehicle. With the small, com...

Always wondering in which gear you’re in? Avoid this question by using our plug & play gear indicator. Lightweight, compact, easy to use and to...

Keep your hands warm and dry by using these new waterproof heated hand protectors. Made from multi-layers of the best quality material available on...

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...

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...

We are proud to introduce our new heated grips system with multi-adjustment switch. The LED indicator with multi-levels will help you get the right...

We are proud to introduce our new heated grips system with multi-adjustment switch. The LED indicator with multi-levels will help you get the right...

We are proud to introduce our new heated grips system with multi-adjustment switch. The LED indicator with multi-levels will help you get the right...

We are proud to introduce our new heated grips system with multi-adjustment switch. The LED indicator with multi-levels will help you get the right...

KOSO Heated grip glue

Designed specifically for dirt and snow bikes. The aggressive lock-on diamond pattern grips made of high-quality materials will be sure to keep you...

Keep your hands warm and dry by using these new waterproof heated hand protectors. Made from multi-layers of the best quality material available on...

fits all EGT sensors Stainless steel

EGT Clamp 60-80mm

EGT Clamp 40-60mm

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

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...

This Adjustable RPM Signal Filter helps to stabilize bouncy RPM reading on your meter.  Its adjustable function from 0 to 100 kΩ makes it ideal for...

O2 Sensor Bung Cap only for Air/Fuel Ratio meters

O2 bung only for Air/Fuel Ratio meters

3 pieces kit includes: Bung Cap Aluminum washer

For 2 stroke engine only

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

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

KOSO Water Hose Adapter

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

KOSO Hexagonal magnet screw

sold as a single unit

Screw Type For EX-02 KTM Applications only

Screw Type For EX-02 Japanese Applications only

KOSO Passive speed sensor SH-01

Some applications require different alternatives from the conventional speed sensor that is installed on the wheel. Whether it is a question of app...

Today, many horsepower enthusiasts are upgrading their engine with turbo or supercharger. For this reason, we came up with this basic X‑1 boost gau...