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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 Speed Sensor Magnet Bolt - 5/16" - 18 x 7/8" L BF010500

    KOSO NORTH AMERICA Speed Sensor Magnet Bolt - 5/16" - 18 x 7/8" L BF010500

    KOSO NORTH AMERICA

    $8.95
    Simple and reliable alternative to gluing sensor magnet to a bolt or rotor
    22100133
    SKU:
    22100133
    Availability:
    Ships Same Business Day
    Weight:
    0.02 LBS
    DIAMETER - THREAD SIZE METRIC:
    7.92 MM X P1.41 X 22.22 MM L
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    RIDING STYLE:
    STREET
    RIDING STYLE:
    UTV
    PRODUCT NAME:
    BOLT
    RIDING STYLE:
    ATV
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    EACH
    APPLICATION:
    MAGNETIC
    MATERIAL:
    STEEL
    TYPE:
    SENSOR
    $8.95
    Qty in Cart: 0
    Quantity:
    Price:
    $8.95
    Subtotal:
  • KOSO NORTH AMERICA Speed Sensor Magnet Bolt - M6 x P1.1 x 24 mm L BF010600

    KOSO NORTH AMERICA Speed Sensor Magnet Bolt - M6 x P1.1 x 24 mm L BF010600

    KOSO NORTH AMERICA

    $8.95
    Simple and reliable alternative to gluing sensor magnet to a bolt or rotor
    22100137
    SKU:
    22100137
    Availability:
    Ships Same Business Day
    Weight:
    0.02 LBS
    DIAMETER - THREAD SIZE METRIC:
    M6 X P1.00 X 24 MM L
    PRODUCT NAME:
    BOLT
    RIDING STYLE:
    OFF-ROAD
    RIDING STYLE:
    UTV
    APPLICATION:
    MAGNETIC
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    RIDING STYLE:
    STREET
    MATERIAL:
    STEEL
    TYPE:
    SENSOR
    RIDING STYLE:
    ATV
    UNITS:
    EACH
    Qty in Cart: 0
    Quantity:
    Price:
    $8.95
    Subtotal:
  • KOSO NORTH AMERICA Speed Sensor Magnet Bolt - M8 x P1.25 x 27.5 mm L BF010830

    KOSO NORTH AMERICA Speed Sensor Magnet Bolt - M8 x P1.25 x 27.5 mm L BF010830

    KOSO NORTH AMERICA

    $8.95
    Simple and reliable alternative to gluing sensor magnet to a bolt or rotor
    22100139
    SKU:
    22100139
    Availability:
    Ships Same Business Day
    Weight:
    0.03 LBS
    APPLICATION:
    MAGNETIC
    RIDING STYLE:
    ATV
    DIAMETER - THREAD SIZE METRIC:
    M8 X P1.25 X 27.5 MM L
    MATERIAL:
    STEEL
    PRODUCT NAME:
    BOLT
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    SENSOR
    UNITS:
    EACH
    RIDING STYLE:
    UTV
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    RIDING STYLE:
    STREET
    Qty in Cart: 0
    Quantity:
    Price:
    $8.95
    Subtotal:
  • KOSO NORTH AMERICA AC/DC Converter BL000010

    KOSO NORTH AMERICA AC/DC Converter BL000010

    KOSO NORTH AMERICA

    $49.95
    Ideal for use with snowmobiles, ATV's, or dirtbikes, Compact aluminum unit with strong resistance, Converts AC power into DC power, Input voltage AC/DC 12 ~ 30 V, Output voltage DC 12~15 V, Max Load...
    21300048
    SKU:
    21300048
    Availability:
    Ships Same Business Day
    Weight:
    0.17 LBS
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    RIDING STYLE:
    ATV
    RIDING STYLE:
    STREET
    UNITS:
    EACH
    POWER CONNECTION TYPE:
    FOUR PIGTAIL WIRES
    RIDING STYLE:
    SNOW
    RIDING STYLE:
    UTV
    TYPE:
    AC/DC
    PRODUCT NAME:
    POWER CONVERTER
    RIDING STYLE:
    OFF-ROAD
    VOLTS:
    12 V
    Qty in Cart: 0
    Quantity:
    Price:
    $49.95
    Subtotal:
  • KOSO NORTH AMERICA RX-3 Harness - Grom BZ001000

    KOSO NORTH AMERICA RX-3 Harness - Grom BZ001000

    KOSO NORTH AMERICA

    $74.95
    Easily install RX-3 multifunction meter, Plug and Play
    21201071
    SKU:
    21201071
    Availability:
    Ships Same Business Day
    Weight:
    0.50 LBS
    COLOR/FINISH:
    BLACK
    RIDING STYLE:
    STREET
    UNITS:
    EACH
    MODEL:
    GROM
    PRODUCT NAME:
    WIRE HARNESS
    FOR MAKE:
    HONDA
    $74.95
    Qty in Cart: 0
    Quantity:
    Price:
    $74.95
    Subtotal:
  • KOSO NORTH AMERICA RX-3 Harness - Monkey BZ001001

    KOSO NORTH AMERICA RX-3 Harness - Monkey BZ001001

    KOSO NORTH AMERICA

    $80.95
    Easily install RX-3 multifunction meter, Plug and Play
    21201072
    SKU:
    21201072
    Availability:
    Ships Same Business Day
    Weight:
    0.30 LBS
    PRODUCT NAME:
    WIRE HARNESS
    COLOR/FINISH:
    BLACK
    RIDING STYLE:
    STREET
    UNITS:
    EACH
    FOR MAKE:
    HONDA
    MODEL:
    MONKEY
    $80.95
    Qty in Cart: 0
    Quantity:
    Price:
    $80.95
    Subtotal:
  • KOSO NORTH AMERICA USB Adapter K0008110 KOSO NORTH AMERICA USB Adapter K0008110

    KOSO NORTH AMERICA USB Adapter K0008110

    KOSO NORTH AMERICA

    $81.95
    Direct fit to the cigarette lighter plug, Dual port, 2 amp charging station (can charge two items simultaneously), Short-circuit and overheat protection, Weatherproof cap seals out the elements when...
    21200916
    SKU:
    21200916
    Availability:
    Ships Same Business Day
    Weight:
    0.20 LBS
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    RIDING STYLE:
    STREET
    TYPE:
    BATTERY
    COLOR/FINISH:
    BLACK
    RIDING STYLE:
    OFF-ROAD
    PRODUCT NAME:
    POWER OUTLET
    RIDING STYLE:
    SNOW
    RIDING STYLE:
    UTV
    POWER CONNECTION TYPE:
    BATTERY LEAD
    POWER CONNECTION TYPE:
    DUAL USB A SOCKETS
    RIDING STYLE:
    ATV
    UNITS:
    EACH
    $81.95
    Qty in Cart: 0
    Quantity:
    Price:
    $81.95
    Subtotal:
  • KOSO NORTH AMERICA LED Taillight - Red HB025020 KOSO NORTH AMERICA LED Taillight - Red HB025020

    KOSO NORTH AMERICA LED Taillight - Red HB025020

    KOSO NORTH AMERICA

    $47.95
    Set your motorcycle apart using the Koso Infinity taillight, Six ultra-bright LEDs increase visibility, Has license plate light, Easy to install
    20101266
    SKU:
    20101266
    Availability:
    Ships Same Business Day
    Weight:
    0.21 LBS
    HEIGHT IMPERIAL:
    1-1/4'
    MODEL:
    INFINITY
    RIDING STYLE:
    STREET
    MOUNTING POSITION:
    REAR
    PRODUCT NAME:
    TAILLIGHT
    UNITS:
    EACH
    FILAMENT/FUNCTION:
    SINGLE
    LENS COLOR:
    RED
    NUMBER OF BULBS:
    6
    BULB TYPE:
    LED
    HOUSING COLOR:
    BLACK
    WIDTH IMPERIAL:
    4'
    $47.95
    Qty in Cart: 0
    Quantity:
    Price:
    $47.95
    Subtotal:
  • KOSO NORTH AMERICA LED Headlight - Universal GA002000 KOSO NORTH AMERICA LED Headlight - Universal GA002000

    KOSO NORTH AMERICA LED Headlight - Universal GA002000

    KOSO NORTH AMERICA

    $537.95
    Features a light weight but durable aluminum housing and is one of the only headlights on the market today to be produced using CNC technology., Brightness : Low beam - 1058 lm / High beam - 813 lm,...
    20011816
    SKU:
    20011816
    Availability:
    Ships Same Business Day
    Weight:
    2.65 LBS
    BRIGHTNESS:
    1058 LM
    HOUSING MATERIAL:
    ALUMINUM
    OVERALL DIAMETER IMPERIAL:
    6-3/4'
    LENGTH IMPERIAL:
    3-3/8'
    PRODUCT NAME:
    HEADLIGHT ASSEMBLY
    TYPE:
    HEADLIGHT
    UNITS:
    KIT
    FOR MAKE:
    UNIVERSAL
    HOUSING/STEM COLOR:
    BLACK
    RIDING STYLE:
    STREET
    $537.95
    Qty in Cart: 0
    Quantity:
    Price:
    $537.95
    Subtotal:
  • KOSO NORTH AMERICA LED Marker Light - Black HE015K14

    KOSO NORTH AMERICA LED Marker Light - Black HE015K14

    KOSO NORTH AMERICA

    $107.95
    Each light features five ultra-bright amber LEDs with a clear lens, Soft-stem design, M8 thread, Measure 4.17" L x .8" W x .96" H, If being used as a turn signal a load equalizer is required.
    20400964
    SKU:
    20400964
    Availability:
    Ships Same Business Day
    Weight:
    0.32 LBS
    $107.95
    Qty in Cart: 0
    Quantity:
    Price:
    $107.95
    Subtotal:
  • KOSO NORTH AMERICA Valve Head Kit - Grom MC623000

    KOSO NORTH AMERICA Valve Head Kit - Grom MC623000

    KOSO NORTH AMERICA

    $937.95
    Ideal engine part to complete Koso's big bore kit, Unique four-valve design increases air flow and performance, Provides more power and torque, Features a forged piston, stainless steel 24 mm intake...
    09500755
    SKU:
    09500755
    Availability:
    Ships Same Business Day
    Weight:
    6.61 LBS
    PRODUCT NAME:
    CYLINDER HEAD KIT
    UNITS:
    KIT
    TYPE:
    4 VALVE
    FEATURES:
    HEAD KIT ONLY
    RIDING STYLE:
    STREET
    MATERIAL:
    STAINLESS STEEL
    $937.95
    Qty in Cart: 0
    Quantity:
    Price:
    $937.95
    Subtotal:
  • KOSO NORTH AMERICA Throttle Body - Grom - 34mm DY623013 KOSO NORTH AMERICA Throttle Body - Grom - 34mm DY623013

    KOSO NORTH AMERICA Throttle Body - Grom - 34mm DY623013

    KOSO NORTH AMERICA

    $174.95
    Combining throttle body with intake manifold will allow a better air/fuel mixture for quicker throttle response, Control the amount of air flowing to the engine's combustion chamber
    10220154
    SKU:
    10220154
    Availability:
    Ships Same Business Day
    Weight:
    0.80 LBS
    COLOR/FINISH:
    BLACK
    PRODUCT NAME:
    THROTTLE BODY
    RIDING STYLE:
    STREET
    BASE COLOR:
    BLACK
    TYPE:
    SINGLE BORE
    UNITS:
    EACH
    BORE SIZE METRIC:
    34.00 MM
    FEATURES:
    INCLUDES GASKETS
    $174.95
    Qty in Cart: 0
    Quantity:
    Price:
    $174.95
    Subtotal:
  • KOSO NORTH AMERICA Injector Adapter Kit - Grom DB623000 KOSO NORTH AMERICA Injector Adapter Kit - Grom DB623000

    KOSO NORTH AMERICA Injector Adapter Kit - Grom DB623000

    KOSO NORTH AMERICA

    $112.95
    Adapts fuel injectors to work with Koso intake manifold
    10210013
    SKU:
    10210013
    Availability:
    Ships Same Business Day
    Weight:
    0.15 LBS
    RIDING STYLE:
    STREET
    PRODUCT NAME:
    FUEL INJECTOR ADAPTER
    UNITS:
    KIT
    $112.95
    Qty in Cart: 0
    Quantity:
    Price:
    $112.95
    Subtotal:
  • KOSO NORTH AMERICA Throttle Body Screw - Brass BS000010 KOSO NORTH AMERICA Throttle Body Screw - Brass BS000010

    KOSO NORTH AMERICA Throttle Body Screw - Brass BS000010

    KOSO NORTH AMERICA

    $13.95
    Replace the stock air screw on your throttle body with this high precision brass model, It is the perfect replacement for the plastic version from the manufacturer
    10220273
    SKU:
    10220273
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    APPLICATION:
    THROTTLE BODY
    COLOR/FINISH:
    BRASS
    LENGTH METRIC:
    40.8 MM
    LENGTH:
    40,8 MM (1-39/64')
    PRODUCT NAME:
    SCREW
    TYPE:
    REPLACEMENT
    RIDING STYLE:
    STREET
    LENGTH IMPERIAL:
    1-39/64'
    MATERIAL:
    BRASS
    UNITS:
    EACH
    $13.95
    Qty in Cart: 0
    Quantity:
    Price:
    $13.95
    Subtotal:
  • KOSO NORTH AMERICA High Flow Fuel Injector - Grom DB008160

    KOSO NORTH AMERICA High Flow Fuel Injector - Grom DB008160

    KOSO NORTH AMERICA

    $206.95
    Increases fuel in the combustion chamber, 160cc injector for Koso intake manifold
    10220227
    SKU:
    10220227
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    TYPE:
    HIGH-FLOW
    UNITS:
    EACH
    RIDING STYLE:
    STREET
    PRODUCT NAME:
    FUEL INJECTOR
    $206.95
    Qty in Cart: 0
    Quantity:
    Price:
    $206.95
    Subtotal:
  • KOSO NORTH AMERICA Clutch Part FA623K00

    KOSO NORTH AMERICA Clutch Part FA623K00

    KOSO NORTH AMERICA

    $49.95
    CNC-machined for added strength over stock, Adds durability and stability to clutch during installation and while shifting gears at high speed
    11321302
    SKU:
    11321302
    Availability:
    Ships Same Business Day
    Weight:
    0.35 LBS
    TYPE:
    CLUTCH
    PRODUCT NAME:
    LIFTER PLATE
    RIDING STYLE:
    STREET
    UNITS:
    EACH
    Qty in Cart: 0
    Quantity:
    Price:
    $49.95
    Subtotal:
  • KOSO NORTH AMERICA Clutch Kit FA623002

    KOSO NORTH AMERICA Clutch Kit FA623002

    KOSO NORTH AMERICA

    $136.95
    Improves axial force, Reduces risk of clutch slipping, Includes high-tension clutch springs and discs
    11313332
    SKU:
    11313332
    Availability:
    Ships Same Business Day
    Weight:
    1.00 LBS
    RIDING STYLE:
    STREET
    PRODUCT NAME:
    CLUTCH KIT
    UNITS:
    KIT
    TYPE:
    CLUTCH PLATE AND SPRING KIT
    $136.95
    Qty in Cart: 0
    Quantity:
    Price:
    $136.95
    Subtotal:
  • KOSO NORTH AMERICA Camshaft - Big Bore Kit MM623002

    KOSO NORTH AMERICA Camshaft - Big Bore Kit MM623002

    KOSO NORTH AMERICA

    $199.95
    Optional camshaft kit can be used with stock engine, but delivers improved results when used with 170cc Big Bore kit
    09250893
    SKU:
    09250893
    Availability:
    Ships Same Business Day
    Weight:
    0.81 LBS
    APPLICATION:
    EXHAUST
    EXHAUST LIFT METRIC:
    8.50 MM
    INTAKE LIFT METRIC:
    8.50 MM
    APPLICATION:
    INTAKE
    RIDING STYLE:
    STREET
    TYPE:
    GEAR
    UNITS:
    EACH
    PRODUCT NAME:
    CAMSHAFT
    $199.95
    Qty in Cart: 0
    Quantity:
    Price:
    $199.95
    Subtotal:
  • KOSO NORTH AMERICA RX-3 Gauge - Black BA071000

    KOSO NORTH AMERICA RX-3 Gauge - Black BA071000

    KOSO NORTH AMERICA

    $687.95
    Features a modern TFT screen to display information with the day and night brightness adjustability and also has 5 different colors to choose from, Can be used for any application and also features a...
    22120828
    SKU:
    22120828
    Availability:
    Ships Same Business Day
    Weight:
    1.95 LBS
    TYPE:
    DIGITAL AIR-FUEL RATIO GAUGE
    TYPE:
    ODOMETER
    TYPE:
    SPEEDOMETER
    TYPE:
    TACHOMETER
    TYPE:
    THERMOMETER
    LENGTH IMPERIAL:
    5-9/16'
    RIDING STYLE:
    STREET
    WIDTH IMPERIAL:
    3-9/16'
    DEPTH IMPERIAL:
    1-11/32'
    PRODUCT NAME:
    METER
    HOUSING COLOR:
    BLACK
    TYPE:
    RPM
    UNITS:
    EACH
    $687.95
    Qty in Cart: 0
    Quantity:
    Price:
    $687.95
    Subtotal:
  • KOSO NORTH AMERICA Glue for Heated Grips - 0.85 U.S. fl oz. AM000000

    KOSO NORTH AMERICA Glue for Heated Grips - 0.85 U.S. fl oz. AM000000

    KOSO NORTH AMERICA

    $3.95
    Heat-resistant glue for heated grips, Contains enough adhesive for one pair of grips, Available in .85-fluid ounce tubes
    37110007
    SKU:
    37110007
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    CONTAINER SIZE METRIC:
    25 ML
    PRODUCT NAME:
    ADHESIVE
    TYPE:
    GLUE
    UNITS:
    EACH
    APPLICATION:
    GRIPS
    CONTAINER SIZE IMPERIAL:
    0.85 US FL OZ.
    DISPENSER TYPE:
    TUBE
    RIDING STYLE:
    SNOW
    RIDING STYLE:
    STREET
    $3.95
    Qty in Cart: 0
    Quantity:
    Price:
    $3.95
    Subtotal:
  • KOSO NORTH AMERICA LED Flasher Relay KD006030

    KOSO NORTH AMERICA LED Flasher Relay KD006030

    KOSO NORTH AMERICA

    $25.95
    Helps your newly-installed LED lights flash normally, Install only one relay for all 4 LED indicator lights
    20500228
    SKU:
    20500228
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    RIDING STYLE:
    UTV
    PRODUCT NAME:
    FLASHER RELAY
    TYPE:
    LED
    RIDING STYLE:
    ATV
    UNITS:
    EACH
    $25.95
    Qty in Cart: 0
    Quantity:
    Price:
    $25.95
    Subtotal:
  • KOSO NORTH AMERICA Oil Dipstick Gauge - Black BA053101

    KOSO NORTH AMERICA Oil Dipstick Gauge - Black BA053101

    KOSO NORTH AMERICA

    $182.95
    Push to power technology provides the ability to check your bike’s oil vital signs on the go or at a red light with ease, Oil temperature in °F or °C, Oil level/Low oil level, 1-Step install, No...
    22120814
    SKU:
    22120814
    Availability:
    Ships Same Business Day
    Weight:
    0.45 LBS
    RIDING STYLE:
    STREET
    PRODUCT NAME:
    OIL DIPSTICK
    UNITS:
    EACH
    STYLE:
    ELECTRONIC
    HOUSING COLOR:
    BLACK
    READOUT COLOR:
    BLACK
    TYPE:
    DIGITAL OIL/TEMPERATURE GAUGE
    $182.95
    Qty in Cart: 0
    Quantity:
    Price:
    $182.95
    Subtotal:
  • KOSO NORTH AMERICA Oil Dipstick Gauge - Silver BA053111 KOSO NORTH AMERICA Oil Dipstick Gauge - Silver BA053111

    KOSO NORTH AMERICA Oil Dipstick Gauge - Silver BA053111

    KOSO NORTH AMERICA

    $182.95
    Push to power technology provides the ability to check your bike’s oil vital signs on the go or at a red light with ease, Oil temperature in °F or °C, Oil level/Low oil level, 1-Step install, No...
    22120815
    SKU:
    22120815
    Availability:
    Ships Same Business Day
    Weight:
    0.45 LBS
    RIDING STYLE:
    STREET
    HOUSING COLOR:
    SILVER
    READOUT COLOR:
    BLACK
    STYLE:
    ELECTRONIC
    PRODUCT NAME:
    OIL DIPSTICK
    UNITS:
    EACH
    TYPE:
    DIGITAL OIL/TEMPERATURE GAUGE
    $182.95
    Qty in Cart: 0
    Quantity:
    Price:
    $182.95
    Subtotal:
  • KOSO NORTH AMERICA Oil Dipstick - Black Housing BA053001

    KOSO NORTH AMERICA Oil Dipstick - Black Housing BA053001

    KOSO NORTH AMERICA

    $182.95
    Push to power technology provides the ability to check your bike’s oil vital signs on the go or at a red light with ease, Oil temperature in °F or °C, Oil level/Low oil level, 1-Step install, No...
    22120788
    SKU:
    22120788
    Availability:
    Ships Same Business Day
    Weight:
    0.35 LBS
    HOUSING COLOR:
    BLACK
    READOUT COLOR:
    BLACK
    UNITS:
    EACH
    TYPE:
    DIGITAL OIL/TEMPERATURE GAUGE
    PRODUCT NAME:
    OIL DIPSTICK
    RIDING STYLE:
    STREET
    STYLE:
    ELECTRONIC
    $182.95
    Qty in Cart: 0
    Quantity:
    Price:
    $182.95
    Subtotal:
  • KOSO NORTH AMERICA Oil Dipstick - Silver Housing BA053011

    KOSO NORTH AMERICA Oil Dipstick - Silver Housing BA053011

    KOSO NORTH AMERICA

    $182.95
    Push to power technology provides the ability to check your bike’s oil vital signs on the go or at a red light with ease, Oil temperature in °F or °C, Oil level/Low oil level, 1-Step install, No...
    22120789
    SKU:
    22120789
    Availability:
    Ships Same Business Day
    Weight:
    0.40 LBS
    READOUT COLOR:
    BLACK
    HOUSING COLOR:
    SILVER
    TYPE:
    DIGITAL OIL/TEMPERATURE GAUGE
    PRODUCT NAME:
    OIL DIPSTICK
    UNITS:
    EACH
    RIDING STYLE:
    STREET
    STYLE:
    ELECTRONIC
    $182.95
    Qty in Cart: 0
    Quantity:
    Price:
    $182.95
    Subtotal:
  • KOSO NORTH AMERICA Hi Flow Oil Pump - Grom NF623000 KOSO NORTH AMERICA Hi Flow Oil Pump - Grom NF623000

    KOSO NORTH AMERICA Hi Flow Oil Pump - Grom NF623000

    KOSO NORTH AMERICA

    $67.95
    Increases the oil flow by 40%, helping to prevent engine failure, Keeps the engine lubricated to optimize performance, Recommended for bikes with upgraded engines using the Koso North America 170cc...
    09320167
    SKU:
    09320167
    Availability:
    Ships Same Business Day
    Weight:
    0.26 LBS
    FLOW RATE:
    HIGH VOLUME
    TYPE:
    OIL PUMP
    BASE FINISH:
    CHROME
    UNITS:
    KIT
    COLOR/FINISH:
    CHROME
    PRODUCT NAME:
    PUMP
    RIDING STYLE:
    STREET
    $67.95
    Qty in Cart: 0
    Quantity:
    Price:
    $67.95
    Subtotal:
  • KOSO NORTH AMERICA Oil Adapter - M14X1.25X15 BG241412

    KOSO NORTH AMERICA Oil Adapter - M14X1.25X15 BG241412

    KOSO NORTH AMERICA

    $10.95
    Aluminum washer included, Sensor not included
    07130133
    SKU:
    07130133
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    FOR FRAME TUBE DIAMETER IMPERIAL:
    1-1/4'
    FOR FRAME TUBE DIAMETER METRIC:
    31.1 MM
    LENGTH METRIC:
    15 MM
    RIDING STYLE:
    UTV
    TYPE:
    OIL TEMPERATURE GAUGE
    BASE COLOR:
    BLUE
    MATERIAL:
    ALUMINUM
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    RIDING STYLE:
    SNOW
    PRODUCT NAME:
    ADAPTER
    RIDING STYLE:
    OFF-ROAD
    COLOR/FINISH:
    BLUE
    OUTSIDE DIAMETER METRIC:
    14 MM
    RIDING STYLE:
    ATV
    RIDING STYLE:
    STREET
    UNITS:
    EACH
    $10.95
    Qty in Cart: 0
    Quantity:
    Price:
    $10.95
    Subtotal:
  • KOSO NORTH AMERICA Oil Adapter - M14X1.5X15 BG281415

    KOSO NORTH AMERICA Oil Adapter - M14X1.5X15 BG281415

    KOSO NORTH AMERICA

    $10.95
    Aluminum washer included, Sensor not included
    07130134
    SKU:
    07130134
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    COLOR/FINISH:
    BLUE
    OUTSIDE DIAMETER METRIC:
    14 MM
    RIDING STYLE:
    ATV
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    EACH
    BASE COLOR:
    BLUE
    FOR FRAME TUBE DIAMETER IMPERIAL:
    1-1/2'
    MATERIAL:
    ALUMINUM
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    RIDING STYLE:
    SNOW
    RIDING STYLE:
    STREET
    TYPE:
    OIL TEMPERATURE GAUGE
    FOR FRAME TUBE DIAMETER METRIC:
    38.1 MM
    PRODUCT NAME:
    ADAPTER
    LENGTH METRIC:
    15 MM
    RIDING STYLE:
    UTV
    $10.95
    Qty in Cart: 0
    Quantity:
    Price:
    $10.95
    Subtotal:
  • KOSO NORTH AMERICA RX2-NR GP-Style Race Tachometer - 5.35" W x 4" H x 2.05" D BA015000

    KOSO NORTH AMERICA RX2-NR GP-Style Race Tachometer - 5.35" W x 4" H x 2.05" D BA015000

    KOSO NORTH AMERICA

    $274.95
    Easy-to-read gauge with dial-type tachometer and digital display, 0-16000 rpm range; light point shows max rpm that is regularly reached, Digital display shows tachometer and thermometer,...
    22010085
    SKU:
    22010085
    Availability:
    Ships Same Business Day
    Weight:
    1.50 LBS
    PRODUCT NAME:
    GAUGE
    RIDING STYLE:
    STREET
    TYPE:
    TACHOMETER
    FACE COLOR:
    WHITE
    MODEL:
    RX-2NR
    READOUT COLOR:
    WHITE
    UNITS:
    EACH
    READOUT COLOR:
    BLACK
    TYPE:
    THERMOMETER
    HOUSING COLOR:
    BLACK
    STYLE:
    GP
    $274.95
    Qty in Cart: 0
    Quantity:
    Price:
    $274.95
    Subtotal:
  • KOSO NORTH AMERICA Bracket BE081000

    KOSO NORTH AMERICA Bracket BE081000

    KOSO NORTH AMERICA

    $76.95
    KOSO NORTH AMERICA Bracket
    22010238
    SKU:
    22010238
    Availability:
    Ships Same Business Day
    Weight:
    0.50 LBS
    UNITS:
    EACH
    MODEL:
    RX-4
    RIDING STYLE:
    STREET
    COLOR/FINISH:
    BLACK
    PRODUCT NAME:
    BRACKET
    TYPE:
    DASH
    $76.95
    Qty in Cart: 0
    Quantity:
    Price:
    $76.95
    Subtotal:
  • KOSO NORTH AMERICA Bracket BE081010

    KOSO NORTH AMERICA Bracket BE081010

    KOSO NORTH AMERICA

    $65.95
    KOSO NORTH AMERICA Bracket
    22010239
    SKU:
    22010239
    Availability:
    Ships Same Business Day
    Weight:
    0.44 LBS
    UNITS:
    EACH
    RIDING STYLE:
    STREET
    MODEL:
    RX-4
    TYPE:
    DASH
    COLOR/FINISH:
    BLACK
    PRODUCT NAME:
    BRACKET
    $65.95
    Qty in Cart: 0
    Quantity:
    Price:
    $65.95
    Subtotal:
  • KOSO NORTH AMERICA Bracket BE081020

    KOSO NORTH AMERICA Bracket BE081020

    KOSO NORTH AMERICA

    $65.95
    KOSO NORTH AMERICA Bracket
    22010240
    SKU:
    22010240
    Availability:
    Ships Same Business Day
    Weight:
    0.40 LBS
    UNITS:
    EACH
    RIDING STYLE:
    STREET
    MODEL:
    RX-4
    COLOR/FINISH:
    BLACK
    PRODUCT NAME:
    BRACKET
    TYPE:
    DASH
    Qty in Cart: 0
    Quantity:
    Price:
    $65.95
    Subtotal:
  • KOSO NORTH AMERICA Bosch Oxygen Sensor 28-BOSCH

    KOSO NORTH AMERICA Bosch Oxygen Sensor 28-BOSCH

    KOSO NORTH AMERICA

    $174.95
    For use with air/fuel ratio meters
    18610521
    SKU:
    18610521
    Availability:
    Ships Same Business Day
    Weight:
    0.27 LBS
    RIDING STYLE:
    UTV
    THREAD DIAMETER:
    18 MM
    RIDING STYLE:
    STREET
    PRODUCT NAME:
    SENSOR
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    O2 SENSOR
    DESIGN/CONFIGURATION:
    WIDEBAND
    RIDING STYLE:
    ATV
    UNITS:
    EACH
    $174.95
    Qty in Cart: 0
    Quantity:
    Price:
    $174.95
    Subtotal:
  • KOSO NORTH AMERICA Exhaust Bung Cap BG001801

    KOSO NORTH AMERICA Exhaust Bung Cap BG001801

    KOSO NORTH AMERICA

    $9.95
    Measures 18 x 1.5mm
    18610522
    SKU:
    18610522
    Availability:
    Ships Same Business Day
    Weight:
    0.07 LBS
    RIDING STYLE:
    OFF-ROAD
    RIDING STYLE:
    UTV
    THREAD DIAMETER:
    18 MM
    THREAD PITCH METRIC:
    1.5 MM
    PRODUCT NAME:
    PLUG
    RIDING STYLE:
    SNOW
    RIDING STYLE:
    ATV
    RIDING STYLE:
    STREET
    TYPE:
    O2 SENSOR BUNG
    UNITS:
    EACH
    $9.95
    Qty in Cart: 0
    Quantity:
    Price:
    $9.95
    Subtotal:
  • KOSO NORTH AMERICA 2-Stroke Bung Adapter BG001855

    KOSO NORTH AMERICA 2-Stroke Bung Adapter BG001855

    KOSO NORTH AMERICA

    $48.95
    For 2-stroke engines, For use with wideband air/fuel ratio meters
    18610524
    SKU:
    18610524
    Availability:
    Ships Same Business Day
    Weight:
    0.21 LBS
    RIDING STYLE:
    OFF-ROAD
    RIDING STYLE:
    SNOW
    RIDING STYLE:
    UTV
    ADAPTS:
    2-STROKE
    RIDING STYLE:
    ATV
    TYPE:
    O2 SENSOR BUNG
    UNITS:
    EACH
    PRODUCT NAME:
    ADAPTER
    RIDING STYLE:
    STREET
    Qty in Cart: 0
    Quantity:
    Price:
    $48.95
    Subtotal:
  • KOSO NORTH AMERICA Weld-On EGT Bushing BI520099

    KOSO NORTH AMERICA Weld-On EGT Bushing BI520099

    KOSO NORTH AMERICA

    $32.95
    Allows installation of exhaust gas temperature meter
    18610525
    SKU:
    18610525
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    RIDING STYLE:
    STREET
    TYPE:
    EXHAUST BUSHING
    TYPE:
    WELD-IN
    PRODUCT NAME:
    BUSHING
    RIDING STYLE:
    UTV
    RIDING STYLE:
    ATV
    UNITS:
    EACH
    RIDING STYLE:
    OFF-ROAD
    RIDING STYLE:
    SNOW
    $32.95
    Qty in Cart: 0
    Quantity:
    Price:
    $32.95
    Subtotal:
  • KOSO NORTH AMERICA Exhaust Bung with Cap and Washer BG001813

    KOSO NORTH AMERICA Exhaust Bung with Cap and Washer BG001813

    KOSO NORTH AMERICA

    $24.95
    Weld-in O2 sensor bung lets you incorporate O2 sensors into any exhaust system; 18mm x 1.5p, O2 sensor bung plug works with any O2 sensor port; 18mm x 1.5p, Aluminum bung plug washer works with any...
    18610728
    SKU:
    18610728
    Availability:
    Ships Same Business Day
    Weight:
    0.11 LBS
    PRODUCT NAME:
    BUNG
    RIDING STYLE:
    STREET
    TYPE:
    O2 SENSOR
    RIDING STYLE:
    ATV
    RIDING STYLE:
    UTV
    UNITS:
    KIT
    THREAD DIAMETER:
    18 MM
    THREAD PITCH METRIC:
    1.5 MM
    RIDING STYLE:
    OFF-ROAD
    RIDING STYLE:
    SNOW
    Qty in Cart: 0
    Quantity:
    Price:
    $24.95
    Subtotal:
  • KOSO NORTH AMERICA Aluminum Bung Washer XT001BG812

    KOSO NORTH AMERICA Aluminum Bung Washer XT001BG812

    KOSO NORTH AMERICA

    $2.95
    Aluminum bung plug washer works with any 18mm O2 sensor bung plug
    18600545
    SKU:
    18600545
    Availability:
    Ships Same Business Day
    Weight:
    0.02 LBS
    MATERIAL:
    ALUMINUM
    PRODUCT NAME:
    WASHER
    RIDING STYLE:
    SNOW
    RIDING STYLE:
    STREET
    RIDING STYLE:
    UTV
    RIDING STYLE:
    ATV
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    O2 SENSOR PLUG
    UNITS:
    EACH
    $2.95
    Qty in Cart: 0
    Quantity:
    Price:
    $2.95
    Subtotal:
  • KOSO NORTH AMERICA Cradle - X1 - Universal - Large Phones QR004000 KOSO NORTH AMERICA Cradle - X1 - Universal - Large Phones QR004000

    KOSO NORTH AMERICA Cradle - X1 - Universal - Large Phones QR004000

    KOSO NORTH AMERICA

    $71.95
    Easy adjustable screws, located on the back, lock the desired positioning securely into place, Fits 7/8” to 1-1/4” handlebars, Six-way adjustable, Quick release & lock function design, Allows user to...
    06030940
    SKU:
    06030940
    Availability:
    Ships Same Business Day
    Weight:
    0.81 LBS
    COLOR/FINISH:
    BLACK
    BASE COLOR:
    BLACK
    FEATURES:
    LARGE
    FOR HANDLEBAR DIAMETER METRIC:
    22.2 MM - 31.8 MM
    MOUNT STYLE:
    HANDLEBAR MOUNT
    PRODUCT NAME:
    CRADLE
    SIZE METRIC:
    140 MM X 72 MM X 7 MM - 186 MM X 91 MM X 16 MM
    TYPE:
    PHONE
    UNITS:
    EACH
    FOR HANDLEBAR DIAMETER:
    22,2 MM - 31,8 MM (7/8' - 1-1/4')
    FOR HANDLEBAR DIAMETER IMPERIAL:
    7/8' - 1-1/4'
    RIDING STYLE:
    STREET
    SIZE IMPERIAL:
    5-1/2' X 2-13/16' X 5/16' - 7-5/16' X 3-1/2' X 5/8'
    $71.95
    Qty in Cart: 0
    Quantity:
    Price:
    $71.95
    Subtotal:
  • KOSO NORTH AMERICA Cradle - X1 - Universal - Regular Phones QR000000 KOSO NORTH AMERICA Cradle - X1 - Universal - Regular Phones QR000000

    KOSO NORTH AMERICA Cradle - X1 - Universal - Regular Phones QR000000

    KOSO NORTH AMERICA

    $71.95
    Easy adjustable screws, located on the back, lock the desired positioning securely into place, Fits 7/8” to 1-1/4” handlebars, Six-way adjustable, Quick release & lock function design, Allows user to...
    06030941
    SKU:
    06030941
    Availability:
    Ships Same Business Day
    Weight:
    0.46 LBS
    COLOR/FINISH:
    BLACK
    FOR HANDLEBAR DIAMETER:
    22,2 MM - 31,8 MM (7/8' - 1-1/4')
    BASE COLOR:
    BLACK
    MOUNT STYLE:
    HANDLEBAR MOUNT
    SIZE METRIC:
    126 MM X 57 MM X 7 MM - 170 MM X 80 MM X 14 MM
    PRODUCT NAME:
    CRADLE
    TYPE:
    PHONE
    FEATURES:
    STANDARD
    FOR HANDLEBAR DIAMETER IMPERIAL:
    7/8' - 1-1/4'
    FOR HANDLEBAR DIAMETER METRIC:
    22.2 MM - 31.8 MM
    RIDING STYLE:
    STREET
    SIZE IMPERIAL:
    4-15/16' X 2-1/4' X 5/16' - 6-11/16' X 3-1/8' X 9/16'
    UNITS:
    EACH
    $71.95
    Qty in Cart: 0
    Quantity:
    Price:
    $71.95
    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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