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KOSO NORTH AMERICA

KOSO NORTH AMERICA

KOSO NORTH AMERICA

Koso North America Gauges, Meters, and Performance Parts at JJ Motorsports

Koso North America, established in 1981 as Tong Yah Industrial Co., Ltd. in Taiwan, initially focused on producing motorcycle performance parts. The company name changed in 1989, and it has since become synonymous with quality and performance in the motorcycle, snowmobile, ATV, and UTV markets, specializing in high-quality gauges, meters, and accessories that enhance functionality and safety.

At JJ Motorsports, we offer a wide array of Koso North America products, including the innovative D2 LCD Multifunction Meter with an 8-color changeable display for a sleek dashboard upgrade. Monitor engine health precisely using the EGT-02 Standard Dual Sensor, which records up to 50 runs. For versatile applications, check out the TFT Multifunction Meter RX-4 featuring multiple backlight colors. Enhance your indicators with the Gauge Indicator Light for essential alerts. Whether you're customizing for performance or safety, Koso North America delivers reliable options compatible with various powersports vehicles. Explore our selection to find the perfect additions for your ride.

Browse our in-stock inventory below with same-day shipping and expert support. Free shipping on orders over $99! Questions? Contact us for fitment advice!

  • Product
  • Qty in Cart
  • Quantity
  • Price
  • Subtotal
  • KOSO NORTH AMERICA Heated Grips AX1300M0 KOSO NORTH AMERICA Heated Grips AX1300M0

    KOSO NORTH AMERICA Heated Grips AX1300M0

    KOSO NORTH AMERICA

    $66.95
    Cold hands kill performance and comfort on long rides. The KOSO NORTH AMERICA Heated Grips AX1300M0 deliver consistent warmth directly where you need it, letting you maintain grip control and focus...
    06310281
    SKU:
    06310281
    Availability:
    Ships Same Business Day
    Weight:
    0.51 LBS
    LENGTH IMPERIAL:
    4-3/4'
    UNITS:
    KIT
    FEATURES:
    USB POWERED
    FOR HANDLEBAR DIAMETER:
    22 MM (7/8')
    FOR HANDLEBAR DIAMETER METRIC:
    22 MM
    PRODUCT NAME:
    GRIPS
    RIDING STYLE:
    BICYCLE
    COLOR/FINISH:
    BLACK
    FOR HANDLEBAR DIAMETER IMPERIAL:
    7/8'
    LENGTH:
    12 CM (4-3/4')
    TYPE:
    HEATED
    BASE COLOR:
    BLACK
    LENGTH METRIC:
    12 CM
    MATERIAL:
    RUBBER
    Qty in Cart: 0
    Quantity:
    Price:
    $66.95
    Subtotal:
  • KOSO NORTH AMERICA Air/Fuel Gauge - Black - 6ft BB642W30

    KOSO NORTH AMERICA Air/Fuel Gauge - Black - 6ft BB642W30

    KOSO NORTH AMERICA

    $499.95
    Real-time air/fuel ratio monitoring is essential for tuning any engine to its peak performance—whether you're chasing lap times or optimizing fuel economy. The KOSO BB642W30 gives you instant...
    22120829
    SKU:
    22120829
    Availability:
    Ships Same Business Day
    Weight:
    1.35 LBS
    PRODUCT NAME:
    GAUGE
    RIDING STYLE:
    STREET
    TYPE:
    TACHOMETER
    DEPTH IMPERIAL:
    1-5/16'
    FEATURES:
    6' EXTERNAL WIRE LENGTH
    TYPE:
    DIGITAL AIR-FUEL RATIO GAUGE
    TYPE:
    DIGITAL VOLT METER
    TYPE:
    RPM
    UNITS:
    EACH
    INSIDE DIAMETER IMPERIAL:
    2-1/2'
    RIDING STYLE:
    SNOW
    RIDING STYLE:
    UTV
    HOUSING COLOR:
    BLACK
    OUTSIDE DIAMETER IMPERIAL:
    2-13/16'
    READOUT COLOR:
    BLACK
    Qty in Cart: 0
    Quantity:
    Price:
    $499.95
    Subtotal:
  • KOSO NORTH AMERICA Proton Water Temperature Gauge - With 18 mm Adapter BA074200-18

    KOSO NORTH AMERICA Proton Water Temperature Gauge - With 18 mm Adapter BA074200-18

    KOSO NORTH AMERICA

    $71.95
    Accurate coolant temperature monitoring is critical for engine health and performance tuning—guessing leaves you vulnerable to overheating or running too cold. The KOSO Proton Water Temperature Gauge...
    22120793
    SKU:
    22120793
    Availability:
    Ships Same Business Day
    Weight:
    0.45 LBS
    PRODUCT NAME:
    GAUGE
    TYPE:
    WATER TEMPERATURE
    FEATURES:
    18 MM
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    UNITS:
    EACH
    DEPTH IMPERIAL:
    11/16'
    FEATURES:
    WITH ADAPTER
    RIDING STYLE:
    SNOW
    WIDTH IMPERIAL:
    1-15/16'
    FACE COLOR:
    BLACK
    LENGTH IMPERIAL:
    1-5/16'
    RIDING STYLE:
    OFF-ROAD
    Qty in Cart: 0
    Quantity:
    Price:
    $71.95
    Subtotal:
  • KOSO NORTH AMERICA Proton Voltmeter - 11/16" L x 1-15/16" W x 1-5/16" H BA074300

    KOSO NORTH AMERICA Proton Voltmeter - 11/16" L x 1-15/16" W x 1-5/16" H BA074300

    KOSO NORTH AMERICA

    $61.95
    Accurate voltage monitoring is critical for diagnosing electrical issues, verifying charging system output, and preventing battery-related failures during track events or long-distance drives. The...
    22120796
    SKU:
    22120796
    Availability:
    Ships Same Business Day
    Weight:
    0.21 LBS
    WIDTH IMPERIAL:
    1-15/16'
    DEPTH IMPERIAL:
    11/16'
    RIDING STYLE:
    UTV
    STYLE:
    ELECTRONIC
    RIDING STYLE:
    ATV
    UNITS:
    EACH
    LENGTH IMPERIAL:
    1-5/16'
    PRODUCT NAME:
    METER
    READOUT COLOR:
    BLACK
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    DIGITAL VOLT METER
    Qty in Cart: 0
    Quantity:
    Price:
    $61.95
    Subtotal:
  • KOSO NORTH AMERICA Multifunction Meter BA081000 KOSO NORTH AMERICA Multifunction Meter BA081000

    KOSO NORTH AMERICA Multifunction Meter BA081000

    KOSO NORTH AMERICA

    $749.95
    Track your performance metrics with precision using the KOSO NORTH AMERICA Multifunction Meter BA081000. Whether you're logging lap times at the circuit or monitoring vital engine data during a road...
    22100567
    SKU:
    22100567
    Availability:
    Ships Same Business Day
    Weight:
    1.00 LBS
    HOUSING COLOR:
    BLACK
    UNITS:
    EACH
    DEPTH IMPERIAL:
    1-11/16'
    RIDING STYLE:
    STREET
    TYPE:
    MULTI-FUNCTION SPEEDOMETER
    FACE COLOR:
    BLACK
    LENGTH IMPERIAL:
    2-3/4'
    MODEL:
    RX-4
    READOUT COLOR:
    WHITE
    PRODUCT NAME:
    GAUGE
    WIDTH IMPERIAL:
    6-11/16'
    Qty in Cart: 0
    Quantity:
    Price:
    $749.95
    Subtotal:
  • KOSO NORTH AMERICA HD-02 6-Piece Gauge Kit - Black BA050907 KOSO NORTH AMERICA HD-02 6-Piece Gauge Kit - Black BA050907

    KOSO NORTH AMERICA HD-02 6-Piece Gauge Kit - Black BA050907

    KOSO NORTH AMERICA

    $1,583.95
    Real-time data visibility is non-negotiable on the track or trail—and the KOSO NORTH AMERICA HD-02 6-Piece Gauge Kit delivers comprehensive instrument monitoring without the complexity of a full...
    22100496
    SKU:
    22100496
    Availability:
    Ships Same Business Day
    Weight:
    3.55 LBS
    MODEL:
    HD-02
    TYPE:
    SPEEDOMETER
    TYPE:
    TACHOMETER
    FACE COLOR:
    BLACK
    READOUT COLOR:
    RED
    TYPE:
    DIGITAL VOLT METER
    TYPE:
    FUEL
    UNITS:
    SET OF 6
    OUTSIDE DIAMETER IMPERIAL:
    2'
    PRODUCT NAME:
    GAUGE
    RIDING STYLE:
    STREET
    STYLE:
    ELECTRONIC
    TYPE:
    OIL TEMPERATURE
    FEATURES:
    BACKLIT
    HOUSING COLOR:
    BLACK
    OUTSIDE DIAMETER IMPERIAL:
    4'
    READOUT COLOR:
    BLUE
    Qty in Cart: 0
    Quantity:
    Price:
    $1,583.95
    Subtotal:
  • KOSO NORTH AMERICA EX-02 Enduro - 1.57" L x 4.72" W x 0.90" H BA048KTM-1

    KOSO NORTH AMERICA EX-02 Enduro - 1.57" L x 4.72" W x 0.90" H BA048KTM-1

    KOSO NORTH AMERICA

    $137.95
    Enduro racing demands precise data at your fingertips—speed, distance, fuel consumption tracking, and time management are critical to race strategy and bike diagnostics. The KOSO EX-02 delivers all...
    22100397
    SKU:
    22100397
    Availability:
    Ships Same Business Day
    Weight:
    0.65 LBS
    FEATURES:
    BACKLIT
    RIDING STYLE:
    ATV
    UNITS:
    EACH
    MODEL:
    EX-02
    PRODUCT NAME:
    GAUGE
    STYLE:
    ELECTRONIC
    HOUSING COLOR:
    BLACK
    RIDING STYLE:
    OFF-ROAD
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    RIDING STYLE:
    UTV
    TYPE:
    SPEEDOMETER
    $137.95
    Qty in Cart: 0
    Quantity:
    Price:
    $137.95
    Subtotal:
  • KOSO NORTH AMERICA Universal 6-Piece Gauge Kit - Black BA050903 KOSO NORTH AMERICA Universal 6-Piece Gauge Kit - Black BA050903

    KOSO NORTH AMERICA Universal 6-Piece Gauge Kit - Black BA050903

    KOSO NORTH AMERICA

    $1,583.95
    Real-time engine and vehicle diagnostics are non-negotiable for serious racers and performance builders. The KOSO NORTH AMERICA Universal 6-Piece Gauge Kit consolidates critical monitoring functions...
    22100403
    SKU:
    22100403
    Availability:
    Ships Same Business Day
    Weight:
    3.40 LBS
    MODEL:
    HD-02
    PRODUCT NAME:
    GAUGE
    RIDING STYLE:
    STREET
    TYPE:
    FUEL
    TYPE:
    TACHOMETER
    UNITS:
    SET OF 6
    FEATURES:
    BACKLIT
    TYPE:
    DIGITAL VOLT METER
    OUTSIDE DIAMETER IMPERIAL:
    2'
    STYLE:
    ELECTRONIC
    TYPE:
    SPEEDOMETER
    FACE COLOR:
    BLACK
    HOUSING COLOR:
    BLACK
    OUTSIDE DIAMETER IMPERIAL:
    4'
    READOUT COLOR:
    BLUE
    READOUT COLOR:
    RED
    $1,583.95
    Qty in Cart: 0
    Quantity:
    Price:
    $1,583.95
    Subtotal:
  • KOSO NORTH AMERICA TNT-01R Universal Electronic Speedometer/Tachometer - Black Face/Casing BA035K00 KOSO NORTH AMERICA TNT-01R Universal Electronic Speedometer/Tachometer - Black Face/Casing BA035K00

    KOSO NORTH AMERICA TNT-01R Universal Electronic Speedometer/Tachometer - Black Face/Casing BA035K00

    KOSO NORTH AMERICA

    $331.95
    Street driving demands accurate real-time feedback on speed and engine performance, and this KOSO gauge cluster delivers precisely that with a hybrid digital-analog design that's both functional and...
    22110131
    SKU:
    22110131
    Availability:
    Ships Same Business Day
    Weight:
    1.71 LBS
    PRODUCT NAME:
    GAUGE
    RIDING STYLE:
    STREET
    TYPE:
    ANALOG TACHOMETER
    FEATURES:
    INDICATOR LIGHTS
    HOUSING COLOR:
    BLACK
    STYLE:
    ELECTRONIC
    TYPE:
    DIGITAL SPEEDOMETER
    UNITS:
    EACH
    FACE COLOR:
    BLACK
    TYPE:
    DIGITAL CLOCK
    TYPE:
    DIGITAL VOLT METER
    $331.95
    Qty in Cart: 0
    Quantity:
    Price:
    $331.95
    Subtotal:
  • KOSO NORTH AMERICA Oil Temperature Sensor - M14 x P1.5 BF140150

    KOSO NORTH AMERICA Oil Temperature Sensor - M14 x P1.5 BF140150

    KOSO NORTH AMERICA

    $21.95
    Accurate oil temperature monitoring is critical for engine longevity and performance optimization—whether you're tracking data on the dyno or pushing limits on track. This KOSO sensor delivers...
    22120287
    SKU:
    22120287
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    RIDING STYLE:
    ATV
    UNITS:
    EACH
    DIAMETER - THREAD SIZE METRIC:
    M14 X P1.50
    PRODUCT NAME:
    SENSOR
    RIDING STYLE:
    OFF-ROAD
    RIDING STYLE:
    STREET
    RIDING STYLE:
    WATERCRAFT
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    RIDING STYLE:
    SNOW
    RIDING STYLE:
    UTV
    TYPE:
    OIL TEMPERATURE
    Qty in Cart: 0
    Quantity:
    Price:
    $21.95
    Subtotal:
  • KOSO NORTH AMERICA 2" Voltmeter Gauge - Chrome BA050300 KOSO NORTH AMERICA 2" Voltmeter Gauge - Chrome BA050300

    KOSO NORTH AMERICA 2" Voltmeter Gauge - Chrome BA050300

    KOSO NORTH AMERICA

    $195.95
    Accurate voltage monitoring is critical for maintaining optimal electrical system performance and preventing unexpected failures during track events or long-distance runs. The KOSO NORTH AMERICA 2"...
    22120603
    SKU:
    22120603
    Availability:
    Ships Same Business Day
    Weight:
    0.35 LBS
    FACE COLOR:
    BLACK
    FEATURES:
    BACKLIT
    PRODUCT NAME:
    METER
    READOUT COLOR:
    RED
    TYPE:
    DIGITAL VOLT METER
    UNITS:
    EACH
    OUTSIDE DIAMETER IMPERIAL:
    2'
    READOUT COLOR:
    BLUE
    STYLE:
    ELECTRONIC
    HOUSING COLOR:
    CHROME
    RIDING STYLE:
    STREET
    Qty in Cart: 0
    Quantity:
    Price:
    $195.95
    Subtotal:
  • KOSO NORTH AMERICA 2" Fuel Level Gauge - Chrome BA050200 KOSO NORTH AMERICA 2" Fuel Level Gauge - Chrome BA050200

    KOSO NORTH AMERICA 2" Fuel Level Gauge - Chrome BA050200

    KOSO NORTH AMERICA

    $222.95
    Accurate fuel monitoring is essential for race strategy and everyday reliability—this KOSO gauge delivers real-time fuel level data in a compact 2" display that integrates seamlessly into any...
    22120601
    SKU:
    22120601
    Availability:
    Ships Same Business Day
    Weight:
    0.35 LBS
    HOUSING COLOR:
    CHROME
    READOUT COLOR:
    BLUE
    UNITS:
    EACH
    FACE COLOR:
    BLACK
    OUTSIDE DIAMETER IMPERIAL:
    2'
    READOUT COLOR:
    RED
    FEATURES:
    BACKLIT
    PRODUCT NAME:
    GAUGE
    RIDING STYLE:
    STREET
    STYLE:
    ELECTRONIC
    TYPE:
    DIGITAL FUEL GAUGE
    Qty in Cart: 0
    Quantity:
    Price:
    $222.95
    Subtotal:
  • KOSO NORTH AMERICA 4" Speedometer - Black BA051010 KOSO NORTH AMERICA 4" Speedometer - Black BA051010

    KOSO NORTH AMERICA 4" Speedometer - Black BA051010

    KOSO NORTH AMERICA

    $486.95
    Precision instrumentation is non-negotiable on the track or street. The KOSO NORTH AMERICA 4" Speedometer delivers real-time performance data with a customizable LCD display that keeps you informed...
    22100405
    SKU:
    22100405
    Availability:
    Ships Same Business Day
    Weight:
    0.60 LBS
    FACE COLOR:
    BLACK
    READOUT COLOR:
    RED
    STYLE:
    ELECTRONIC
    HOUSING COLOR:
    BLACK
    READOUT COLOR:
    BLUE
    TYPE:
    DIGITAL SPEEDOMETER
    FEATURES:
    BACKLIT
    OUTSIDE DIAMETER IMPERIAL:
    4'
    PRODUCT NAME:
    GAUGE
    UNITS:
    EACH
    RIDING STYLE:
    STREET
    $486.95
    Qty in Cart: 0
    Quantity:
    Price:
    $486.95
    Subtotal:
  • KOSO NORTH AMERICA 4" Speedometer - Chrome BA051000 KOSO NORTH AMERICA 4" Speedometer - Chrome BA051000

    KOSO NORTH AMERICA 4" Speedometer - Chrome BA051000

    KOSO NORTH AMERICA

    $486.95
    A quality speedometer is the foundation of reliable performance monitoring, whether you're tracking lap times on the circuit or dialing in your build at the dyno. The KOSO NORTH AMERICA BA051000...
    22100404
    SKU:
    22100404
    Availability:
    Ships Same Business Day
    Weight:
    0.60 LBS
    FACE COLOR:
    BLACK
    READOUT COLOR:
    RED
    STYLE:
    ELECTRONIC
    FEATURES:
    BACKLIT
    OUTSIDE DIAMETER IMPERIAL:
    4'
    UNITS:
    EACH
    READOUT COLOR:
    BLUE
    TYPE:
    DIGITAL SPEEDOMETER
    HOUSING COLOR:
    CHROME
    PRODUCT NAME:
    GAUGE
    RIDING STYLE:
    STREET
    $486.95
    Qty in Cart: 0
    Quantity:
    Price:
    $486.95
    Subtotal:
  • KOSO NORTH AMERICA Grips - Heated - Titan-X - 1" - Chrome AX068M00 KOSO NORTH AMERICA Grips - Heated - Titan-X - 1" - Chrome AX068M00

    KOSO NORTH AMERICA Grips - Heated - Titan-X - 1" - Chrome AX068M00

    KOSO NORTH AMERICA

    $244.95
    Cold-weather riding demands grip temperature management that doesn't compromise control or require glove removal to adjust. The KOSO NORTH AMERICA Titan-X heated grips deliver precise, five-level...
    06310180
    SKU:
    06310180
    Availability:
    Ships Same Business Day
    Weight:
    0.85 LBS
    PRODUCT NAME:
    GRIPS
    FOR HANDLEBAR DIAMETER IMPERIAL:
    1'
    BASE FINISH:
    CHROME
    COLOR/FINISH:
    BLACK
    RIDING STYLE:
    STREET
    STYLE:
    THROTTLE-BY-WIRE
    STYLE:
    TWIST THROTTLE
    TYPE:
    HEATED
    UNITS:
    PAIR
    BASE COLOR:
    BLACK
    COLOR/FINISH:
    CHROME
    MATERIAL:
    RUBBER
    MODEL:
    TITAN
    $244.95
    Qty in Cart: 0
    Quantity:
    Price:
    $244.95
    Subtotal:
  •  KOSO NORTH AMERICA D2 LCD - Multifunction Meter BA080000  KOSO NORTH AMERICA D2 LCD - Multifunction Meter BA080000

    KOSO NORTH AMERICA D2 LCD - Multifunction Meter BA080000

    KOSO NORTH AMERICA

    $287.95
    Modern track and street riders need real-time engine data to optimize performance and catch problems before they become failures. The KOSO D2 LCD delivers essential metrics—RPM, speed, temperature,...
    22100607
    SKU:
    22100607
    Availability:
    Ships Same Business Day
    Weight:
    0.30 LBS
    $287.95
    Qty in Cart: 0
    Quantity:
    Price:
    $287.95
    Subtotal:
  • KOSO NORTH AMERICA Dual USB Charger K0012000 KOSO NORTH AMERICA Dual USB Charger K0012000

    KOSO NORTH AMERICA Dual USB Charger K0012000

    KOSO NORTH AMERICA

    $83.95
    Long rides and multi-day events demand reliable power for your GPS, phone, and communication devices. This dual USB charger eliminates the choice between navigation and staying connected by powering...
    21201179
    SKU:
    21201179
    Availability:
    Ships Same Business Day
    Weight:
    0.40 LBS
    $83.95
    Qty in Cart: 0
    Quantity:
    Price:
    $83.95
    Subtotal:
  • KOSO NORTH AMERICA 10' Wire Extension BZ008001

    KOSO NORTH AMERICA 10' Wire Extension BZ008001

    KOSO NORTH AMERICA

    $24.95
    If you're running a Mini4-IFR meter in a custom dash setup or remote installation, cable length becomes critical—and the factory cord often falls short. This 10' extension wire eliminates the...
    21201181
    SKU:
    21201181
    Availability:
    Ships Same Business Day
    Weight:
    0.16 LBS
    Qty in Cart: 0
    Quantity:
    Price:
    $24.95
    Subtotal:
  • KOSO NORTH AMERICA EGT-02 Standard Dual Sensor BA006000 KOSO NORTH AMERICA EGT-02 Standard Dual Sensor BA006000

    KOSO NORTH AMERICA EGT-02 Standard Dual Sensor BA006000

    KOSO NORTH AMERICA

    $487.95
    Real-time exhaust gas temperature monitoring is essential for engine tuning and diagnostics—especially when you're chasing optimal air-fuel ratios and protecting your motor from thermal damage. The...
    22120862
    SKU:
    22120862
    Availability:
    Ships Same Business Day
    Weight:
    1.25 LBS
    Qty in Cart: 0
    Quantity:
    Price:
    $487.95
    Subtotal:
  • KOSO NORTH AMERICA EGT-02 Fast Dual Sensor BA006000X KOSO NORTH AMERICA EGT-02 Fast Dual Sensor BA006000X

    KOSO NORTH AMERICA EGT-02 Fast Dual Sensor BA006000X

    KOSO NORTH AMERICA

    $549.95
    Real-time exhaust gas temperature monitoring transforms tuning from guesswork into precision engineering. By tracking EGT data across dual cylinders, you'll optimize fuel mapping, detect lean...
    22120863
    SKU:
    22120863
    Availability:
    Ships Same Business Day
    Weight:
    1.30 LBS
    Qty in Cart: 0
    Quantity:
    Price:
    $549.95
    Subtotal:
  • KOSO NORTH AMERICA EGT-02R Standard Dual Sensor Meter BA006010 KOSO NORTH AMERICA EGT-02R Standard Dual Sensor Meter BA006010

    KOSO NORTH AMERICA EGT-02R Standard Dual Sensor Meter BA006010

    KOSO NORTH AMERICA

    $584.95
    Exhaust gas temperature monitoring is non-negotiable for precision engine tuning—it's the difference between optimal combustion and catastrophic failure. The KOSO EGT-02R gives you real-time...
    22120864
    SKU:
    22120864
    Availability:
    Ships Same Business Day
    Weight:
    1.68 LBS
    Qty in Cart: 0
    Quantity:
    Price:
    $584.95
    Subtotal:
  • KOSO NORTH AMERICA Grips - Heated - Apollo-X - Throttle-By-Wire AX118010 KOSO NORTH AMERICA Grips - Heated - Apollo-X - Throttle-By-Wire AX118010

    KOSO NORTH AMERICA Grips - Heated - Apollo-X - Throttle-By-Wire AX118010

    KOSO NORTH AMERICA

    $183.95
    Cold hands mean delayed throttle response and reduced control—two things you can't afford on the track or the street. KOSO's Apollo-X heated grips deliver adjustable warmth across five temperature...
    20101491
    SKU:
    20101491
    Availability:
    Ships Same Business Day
    Weight:
    1.05 LBS
    Qty in Cart: 0
    Quantity:
    Price:
    $183.95
    Subtotal:
  • KOSO NORTH AMERICA TFT Multifunction Meter - RX-4 - Universal BA081010 KOSO NORTH AMERICA TFT Multifunction Meter - RX-4 - Universal BA081010

    KOSO NORTH AMERICA TFT Multifunction Meter - RX-4 - Universal BA081010

    KOSO NORTH AMERICA

    $874.95
    Track your performance with precision. The KOSO RX-4 TFT Multifunction Meter consolidates essential riding data into a single, high-visibility display—eliminating the need for multiple gauges and...
    22100637
    SKU:
    22100637
    Availability:
    Ships Same Business Day
    Weight:
    2.20 LBS
    $874.95
    Qty in Cart: 0
    Quantity:
    Price:
    $874.95
    Subtotal:
  • KOSO NORTH AMERICA Gauge Indicator Light BA083000 KOSO NORTH AMERICA Gauge Indicator Light BA083000

    KOSO NORTH AMERICA Gauge Indicator Light BA083000

    KOSO NORTH AMERICA

    $74.95
    Modern motorcycles demand clear, at-a-glance instrument feedback—especially when you're focused on the road. The KOSO NORTH AMERICA Gauge Indicator Light consolidates critical status information into...
    22120873
    SKU:
    22120873
    Availability:
    Ships Same Business Day
    Weight:
    0.02 LBS
    $74.95
    Qty in Cart: 0
    Quantity:
    Price:
    $74.95
    Subtotal:
  • KOSO NORTH AMERICA TFT Multifunction Meter - RX-4 - Yamaha - MT-09 BA081001

    KOSO NORTH AMERICA TFT Multifunction Meter - RX-4 - Yamaha - MT-09 BA081001

    KOSO NORTH AMERICA

    $812.95
    Track your ride's vital data in real-time with the KOSO RX-4 TFT Multifunction Meter, a plug-and-play upgrade that transforms your MT-09 dash into a comprehensive performance monitor. Whether you're...
    22100638
    SKU:
    22100638
    Availability:
    Ships Same Business Day
    Weight:
    1.39 LBS
    $812.95
    Qty in Cart: 0
    Quantity:
    Price:
    $812.95
    Subtotal:
  • KOSO NORTH AMERICA Air Pressure Sensor With Extention Wire - HD-03 - D2 Bagger BZ012000

    KOSO NORTH AMERICA Air Pressure Sensor With Extention Wire - HD-03 - D2 Bagger BZ012000

    KOSO NORTH AMERICA

    $137.95
    If you're running an air suspension setup on your D2 Bagger, precise air pressure monitoring isn't optional—it's critical for maintaining ride height, handling consistency, and component longevity...
    22120901
    SKU:
    22120901
    Availability:
    Ships Same Business Day
    Weight:
    0.22 LBS
    Qty in Cart: 0
    Quantity:
    Price:
    $137.95
    Subtotal:
  • KOSO NORTH AMERICA Clutch Enhanced Lifter Plate - Grom/Monkey FA640000

    KOSO NORTH AMERICA Clutch Enhanced Lifter Plate - Grom/Monkey FA640000

    KOSO NORTH AMERICA

    $52.95
    If you're running your Grom or Monkey hard on the track or street, stock clutch components will eventually let you down. The KOSO NORTH AMERICA Clutch Enhanced Lifter Plate is CNC-machined to handle...
    11321856
    SKU:
    11321856
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    $52.95
    Qty in Cart: 0
    Quantity:
    Price:
    $52.95
    Subtotal:
  • KOSO NORTH AMERICA Air Filter Cover - Rubber Intake - Honda DL640000 KOSO NORTH AMERICA Air Filter Cover - Rubber Intake - Honda DL640000

    KOSO NORTH AMERICA Air Filter Cover - Rubber Intake - Honda DL640000

    KOSO NORTH AMERICA

    $118.95
    A properly sealed intake system directly impacts engine breathing efficiency and measurable performance gains. The KOSO North America Air Filter Cover optimizes airflow while protecting your intake...
    10103195
    SKU:
    10103195
    Availability:
    Ships Same Business Day
    Weight:
    0.50 LBS
    $118.95
    Qty in Cart: 0
    Quantity:
    Price:
    $118.95
    Subtotal:
  • KOSO NORTH AMERICA Throttle Body - Black - Honda - 28 mm DY640000 KOSO NORTH AMERICA Throttle Body - Black - Honda - 28 mm DY640000

    KOSO NORTH AMERICA Throttle Body - Black - Honda - 28 mm DY640000

    KOSO NORTH AMERICA

    $199.95
    Precise air metering is fundamental to engine performance, and a quality throttle body directly impacts throttle response and fuel efficiency. The KOSO NORTH AMERICA 28mm throttle body delivers...
    10220289
    SKU:
    10220289
    Availability:
    Ships Same Business Day
    Weight:
    0.85 LBS
    $199.95
    Qty in Cart: 0
    Quantity:
    Price:
    $199.95
    Subtotal:
  • KOSO NORTH AMERICA Connecting Tube - Air Box - Honda Grom DM640000 KOSO NORTH AMERICA Connecting Tube - Air Box - Honda Grom DM640000

    KOSO NORTH AMERICA Connecting Tube - Air Box - Honda Grom DM640000

    KOSO NORTH AMERICA

    $52.95
    If you're upgrading your Honda Grom with a Koso 28 mm throttle body, you'll need a precise intake transition to maintain airflow integrity and throttle response. This connecting tube bridges the gap...
    10500476
    SKU:
    10500476
    Availability:
    Ships Same Business Day
    Weight:
    0.45 LBS
    $52.95
    Qty in Cart: 0
    Quantity:
    Price:
    $52.95
    Subtotal:
  • KOSO NORTH AMERICA DL-04HD Multifunction Gauge - Black - Harley Davidson BA077410 KOSO NORTH AMERICA DL-04HD Multifunction Gauge - Black - Harley Davidson BA077410

    KOSO NORTH AMERICA DL-04HD Multifunction Gauge - Black - Harley Davidson BA077410

    KOSO NORTH AMERICA

    $549.95
    Modern Harley riders need accurate, reliable instrumentation that goes beyond basic speed and RPM—and the KOSO DL-04HD delivers exactly that. This plug-and-play gauge combines a classic round design...
    22120906
    SKU:
    22120906
    Availability:
    Ships Same Business Day
    Weight:
    0.40 LBS
    $549.95
    Qty in Cart: 0
    Quantity:
    Price:
    $549.95
    Subtotal:
  • KOSO NORTH AMERICA Steering Wheel - Heated KOSO NORTH AMERICA Steering Wheel - Heated

    KOSO NORTH AMERICA Steering Wheel - Heated

    KOSO NORTH AMERICA

    $417.95
    Extended track sessions and winter racing demand driver comfort without distraction—a cold steering wheel saps focus and reaction time when precision matters most. The KOSO NORTH AMERICA Heated...
    04500738
    SKU:
    04500738
    Availability:
    Ships Same Business Day
    Weight:
    5.42 LBS
    $417.95
    Qty in Cart: 0
    Quantity:
    Price:
    $417.95
    Subtotal:
  • KOSO NORTH AMERICA Steering Hub - Spline - Ranger AZ007003

    KOSO NORTH AMERICA Steering Hub - Spline - Ranger AZ007003

    KOSO NORTH AMERICA

    $32.95
    A worn or damaged steering hub compromises your Ranger's steering precision and can create safety hazards on technical terrain. The KOSO NORTH AMERICA Steering Hub delivers OEM-quality performance...
    04500739
    SKU:
    04500739
    Availability:
    Ships Same Business Day
    Weight:
    0.44 LBS
    $32.95
    Qty in Cart: 0
    Quantity:
    Price:
    $32.95
    Subtotal:
  • KOSO NORTH AMERICA Artemis Heated Grips - 120 mm x 7/8" AX170010

    KOSO NORTH AMERICA Artemis Heated Grips - 120 mm x 7/8" AX170010

    KOSO NORTH AMERICA

    $175.95
    Cold-weather riding demands grips that maintain consistent warmth without draining your battery or requiring complicated controls. The KOSO NORTH AMERICA Artemis Heated Grips deliver five precise...
    06310296
    SKU:
    06310296
    Availability:
    Ships Same Business Day
    Weight:
    0.71 LBS
    $175.95
    Qty in Cart: 0
    Quantity:
    Price:
    $175.95
    Subtotal:
  • KOSO NORTH AMERICA Artemis Heated Grips - 130 mm x 1" AX174010 KOSO NORTH AMERICA Artemis Heated Grips - 130 mm x 1" AX174010

    KOSO NORTH AMERICA Artemis Heated Grips - 130 mm x 1" AX174010

    KOSO NORTH AMERICA

    $175.95
    Cold hands kill performance—numb fingers compromise throttle control, feedback, and safety on the track or trail. The KOSO NORTH AMERICA Artemis Heated Grips deliver precise warmth exactly when you...
    06310298
    SKU:
    06310298
    Availability:
    Ships Same Business Day
    Weight:
    0.75 LBS
    $175.95
    Qty in Cart: 0
    Quantity:
    Price:
    $175.95
    Subtotal:
  • KOSO NORTH AMERICA Heated Grip Thumb Switch - USB-C Charger - Black KB011000 KOSO NORTH AMERICA Heated Grip Thumb Switch - USB-C Charger - Black KB011000

    KOSO NORTH AMERICA Heated Grip Thumb Switch - USB-C Charger - Black KB011000

    KOSO NORTH AMERICA

    $104.95
    Cold-weather riding demands reliable heat management, and a faulty or outdated grip controller can leave you stranded without options. This KOSO thumb switch replaces your existing controller with a...
    06310288
    SKU:
    06310288
    Availability:
    Ships Same Business Day
    Weight:
    0.35 LBS
    Qty in Cart: 0
    Quantity:
    Price:
    $104.95
    Subtotal:
  • KOSO NORTH AMERICA Charger - USB Type-C/A KW015010 KOSO NORTH AMERICA Charger - USB Type-C/A KW015010

    KOSO NORTH AMERICA Charger - USB Type-C/A KW015010

    KOSO NORTH AMERICA

    $98.95
    Long rides demand reliable power for your GPS, smartphone, and navigation devices—dead batteries are a safety and convenience liability. The KOSO NORTH AMERICA Charger eliminates downtime by...
    21201352
    SKU:
    21201352
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    $98.95
    Qty in Cart: 0
    Quantity:
    Price:
    $98.95
    Subtotal:
  • KOSO NORTH AMERICA TFT Multifunction Meter - RX-3S - Universal BA079000 KOSO NORTH AMERICA TFT Multifunction Meter - RX-3S - Universal BA079000

    KOSO NORTH AMERICA TFT Multifunction Meter - RX-3S - Universal BA079000

    KOSO NORTH AMERICA

    $706.95
    Real-time performance data is critical when you're pushing your bike to its limits—whether you're on the track or dialing in your build. The KOSO RX-3S TFT Multifunction Meter delivers essential...
    22120907
    SKU:
    22120907
    Availability:
    Ships Same Business Day
    Weight:
    1.85 LBS
    $706.95
    Qty in Cart: 0
    Quantity:
    Price:
    $706.95
    Subtotal:
  • KOSO NORTH AMERICA HD-05 Multifunction Meter - Black BA072110 KOSO NORTH AMERICA HD-05 Multifunction Meter - Black BA072110

    KOSO NORTH AMERICA HD-05 Multifunction Meter - Black BA072110

    KOSO NORTH AMERICA

    $508.95
    If you're running a modern bike with a CANBUS system, the KOSO HD-05 delivers real-time engine data without the guesswork of aftermarket gauges that don't play well with your electronics. This...
    22120893
    SKU:
    22120893
    Availability:
    Ships Same Business Day
    Weight:
    0.20 LBS
    Qty in Cart: 0
    Quantity:
    Price:
    $508.95
    Subtotal:
  • KOSO NORTH AMERICA Artemis Heated Grips - 130 mm x 7/8" AX171010

    KOSO NORTH AMERICA Artemis Heated Grips - 130 mm x 7/8" AX171010

    KOSO NORTH AMERICA

    $138.95
    Cold-weather riding demands grip comfort that doesn't compromise throttle control or bike performance. The KOSO Artemis Heated Grips deliver five adjustable heat levels, letting you dial in warmth...
    06310297
    SKU:
    06310297
    Availability:
    Ships Same Business Day
    Weight:
    0.70 LBS
    $138.95
    Qty in Cart: 0
    Quantity:
    Price:
    $138.95
    Subtotal:
  • Total: items /

Adding your products to cart

Big Power, Nice Sound!

Picked up a Pro Circuit pipe and silencer for my YZ125 it’s a game changer. The power feels way better and the sound is awesome.

Tyler D. - 06/12

Perfect Fit

First time ordering here and dang y’all knocked it outta the park! The wheels fit my Ranger UTV perfect, and I’ll definitely be back for more 5 stars all day!

Sarah L. - 08/24

Fast Shipping!!

Ordered on a Monday, and it was on my doorstep by Wednesday! Super impressed with how fast the shipping was.

Jason P. - 09/13

Helps keep cool, works great!

Bought the dual pass Allstar radiator for my build, and it’s been solid. Keeps the engine running cool even on the hottest days no complaints here!

Jake M. - 05/21

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