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  • Mini 4 Tachometer
    KOSO

    Mini 4 Tachometer

    $98.99

    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...

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    $98.99
  • Heated Hand Protectors - Replacement Control Box
    KOSO

    Heated Hand Protectors - Replacement Control Box

    $49.99

    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...

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    $49.99
  • 5-Level Heated Grip 7/8" + 7/8" with heated thumb
    KOSO

    5-Level Heated Grip 7/8" + 7/8" with heated thumb

    $115.99

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

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    $115.99
  • 5-Level Heated Grip 7/8" + 7/8"
    KOSO

    5-Level Heated Grip 7/8" + 7/8"

    $99.99

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

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    $99.99
  • Apollo Heated Grip 7/8" + 7/8" + thumb
    KOSO

    Apollo Heated Grip 7/8" + 7/8" + thumb

    $209.99

    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...

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    $209.99
  • Apollo Heated Grip 7/8" + 7/8"
    KOSO

    Apollo Heated Grip 7/8" + 7/8"

    $195.99

    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...

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    $195.99
  • Multi-adjustment / 5-Level Heated Grips Replacement end cap
    KOSO

    Multi-adjustment / 5-Level Heated Grips Replacement end cap

    $4.99

    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...

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    $4.99
  • Multi-adjustment / 5-Level  Heated Grips Heated thumb kit
    KOSO

    Multi-adjustment / 5-Level Heated Grips Heated thumb kit

    $22.99

    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...

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    $22.99
  • Multi-adjustment Heated Grips 7/8" + 7/8" with heated thumb
    KOSO

    Multi-adjustment Heated Grips 7/8" + 7/8" with heated thumb

    $148.99

    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...

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    $148.99
  • Multi-adjustment Heated Grips 7/8" + 7/8"
    KOSO

    Multi-adjustment Heated Grips 7/8" + 7/8"

    $128.99

    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...

    View full details
    $128.99
  • KOSO Heated grip glue
    KOSO

    Heated grip glue

    $4.99

    KOSO Heated grip glue

    $4.99
  • MX-1 Snow/dirt Bike Heated Grips 1" + 7/8"
    KOSO

    MX-1 Snow/dirt Bike Heated Grips 1" + 7/8"

    $209.99

    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...

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    $209.99
  • Heated Hand Protectors - Kit
    KOSO

    Heated Hand Protectors - Kit

    $242.99

    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...

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    $242.99
  • Adjustable RPM signal filter
    KOSO

    Adjustable RPM signal filter

    $43.99

    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...

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    $43.99
  • EGT Weld on bushing
    KOSO

    EGT Weld on bushing

    $38.99

    fits all EGT sensors Stainless steel

    $38.99
  • EGT Clamp 60-80mm
    KOSO

    EGT Clamp 60-80mm

    $18.99

    EGT Clamp 60-80mm

    $18.99
  • EGT Clamp 40-60mm
    KOSO

    EGT Clamp 40-60mm

    $18.99

    EGT Clamp 40-60mm

    $18.99
  • External thumb switch pour RX-2NS
    KOSO

    External thumb switch pour RX-2NS

    $33.99

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

    $33.99
  • AC/DC converter
    KOSO

    AC/DC converter

    $60.99

    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...

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    $60.99
  • O2 Cap
    KOSO

    O2 Cap

    $11.99

    O2 Sensor Bung Cap only for Air/Fuel Ratio meters

    $11.99
  • O2 adapter for 2-stroke engine only
    KOSO

    O2 adapter for 2-stroke engine only

    $59.99

    For 2 stroke engine only

    $59.99
  • KOSO

    Race type O2

    $116.99

    KOSO Race type O2

    $116.99
  • O2 Bung
    KOSO

    O2 Bung

    $15.99

    O2 bung only for Air/Fuel Ratio meters

    $15.99
  • Bung, cap and washer kit
    KOSO

    Bung, cap and washer kit

    $29.99

    3 pieces kit includes: Bung Cap Aluminum washer

    $29.99
  • Cylinder head temperature sensor 0-150°C
    KOSO

    Cylinder head temperature sensor 0-150°C

    $32.99

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

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    $32.99
  • Cylinder head temperature sensor 0-250°C
    KOSO

    Cylinder head temperature sensor 0-250°C

    $37.99

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

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    $37.99
  • Water Hose Adapter
    KOSO

    Water Hose Adapter

    from $39.99

    KOSO Water Hose Adapter

    from $39.99
  • EGT sensor fast response (clamp included)
    KOSO

    EGT sensor fast response (clamp included)

    $149.99

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

    $149.99
  • GPS Speed Signal Converter Kit
    KOSO

    GPS Speed Signal Converter Kit

    $237.99

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

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    $237.99
  • Hexagonal magnet screw
    KOSO

    Hexagonal magnet screw

    $10.99

    KOSO Hexagonal magnet screw

    $10.99
  • Magnet 6mm diam. x 5mm high
    KOSO

    Magnet 6mm diam. x 5mm high

    $3.99

    sold as a single unit

    $3.99
  • Hard cable speed sensor for EX-02 KTM applications
    KOSO

    Hard cable speed sensor for EX-02 KTM applications

    $45.99

    Screw Type For EX-02 KTM Applications only

    $45.99
  • Hard cable speed sensor for EX-02 Japanese applications
    KOSO

    Hard cable speed sensor for EX-02 Japanese applications

    $53.99

    Screw Type For EX-02 Japanese Applications only

    $53.99
  • Passive speed sensor SH-01
    KOSO

    Passive speed sensor SH-01

    from $45.99

    KOSO Passive speed sensor SH-01

    from $45.99
  • X-1 Boost meter
    KOSO

    X-1 Boost meter

    $295.99

    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...

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    $295.99
  • MINI 3 Oil pressure meter
    KOSO

    MINI 3 Oil pressure meter

    $316.99

    The Mini 3 oil pressure meter is a must for all applications. Its reading can help you avoid major mechanical problems. If the pressure goes do...

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    $316.99
  • PROTON Water temperature meter with adapter
    KOSO

    PROTON Water temperature meter with adapter

    $87.99

    KOSO PROTON Water temperature meter with adapter  

    $87.99
  • PROTON Water temperature meter
    KOSO

    PROTON Water temperature meter

    $75.99

    The Proton water temperature meter will provide you with a precise reading of your engines coolant temperature. Supplied with a 1/8 BSP sensor, ...

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    $75.99
  • MINI 3 Dual temperature
    KOSO

    MINI 3 Dual temperature

    $174.99

    This compact and lightweight Mini 3 dual temperature meter features two temperatures output. This meter can give you precious information such as...

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    $174.99
  • DL-01T Water temperature meter
    KOSO

    DL-01T Water temperature meter

    $199.99

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

    $199.99
  • SUPER SLIM STYLE Thermometer °F version
    KOSO

    SUPER SLIM STYLE Thermometer °F version

    $74.99

    Our Super Slim Style series is one of our best seller because its small and compact size makes it very easy to install at almost any location on th...

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    $74.99
  • SUPER SLIM STYLE Thermometer °C version
    KOSO

    SUPER SLIM STYLE Thermometer °C version

    $74.99

    Our Super Slim Style series is one of our best seller because its small and compact size makes it very easy to install at almost any location on th...

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    $74.99
  • I-GEAR Thermometer °C version
    KOSO

    I-GEAR Thermometer °C version

    $75.99

    The small and compact size of the i-Gear thermometer makes it very easy to install at almost any location on the ride. The blue or red illuminated ...

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    $75.99
  • MINI 3 Ambient air temperature meter
    KOSO

    MINI 3 Ambient air temperature meter

    $80.99

    KOSO MINI 3 Ambient air temperature meter 2022

    $80.99
  • RX-2NR GP Style Tachometer
    KOSO

    RX-2NR GP Style Tachometer

    $296.99

    The RX‑2NR GP Style tachometer is the perfect race meter ! The 80 mm needle driven by a stepper motor is easy to read at high speed. Its multif...

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    $296.99
  • DL STYLE Universal Tachometer
    KOSO

    DL STYLE Universal Tachometer

    $229.99

    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...

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    $229.99
  • HD-01S Speedometer (km/h) for Harley-Davidson
    KOSO

    HD-01S Speedometer (km/h) for Harley-Davidson

    $255.99

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

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    $255.99
  • XR-01 Speedometer
    KOSO

    XR-01 Speedometer

    $172.99

    Thinner and lighter than its previous version, the XR‑S speedometer, our innovative XR‑01 speedometer most importantly features a larger, higher qu...

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    $172.99