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
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On Sale
KOSO NORTH AMERICA LED Taillight - Red Lens HB034000
KOSO NORTH AMERICA
MSRP: $81.95Now: $73.76Was: $81.95Modern racing and street applications demand taillights that deliver uncompromising visibility without added bulk. The KOSO North America LED Taillight combines ultra-bright micro LED output with...20101394- SKU:
- 20101394
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- LENS COLOR:
- RED
- PRODUCT NAME:
- TAILLIGHT KIT
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- UNIVERSAL
- UNITS:
- KIT
- BULB TYPE:
- LED
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
MSRP: $81.95Now: $73.76Was: $81.95 -
On Sale
KOSO NORTH AMERICA LED Taillight - Red Lens HB035020
KOSO NORTH AMERICA
MSRP: $62.95Now: $56.66Was: $62.95A quality LED taillight is essential for visibility, safety, and maintaining a professional appearance on any custom build or race vehicle. The KOSO NORTH AMERICA LED Taillight delivers bright,...20101397- SKU:
- 20101397
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
- LENS COLOR:
- RED
- RIDING STYLE:
- STREET
- BULB TYPE:
- LED
- PRODUCT NAME:
- TAILLIGHT KIT
- UNITS:
- KIT
- TYPE:
- UNIVERSAL
MSRP: $62.95Now: $56.66Was: $62.95 -
On Sale
KOSO NORTH AMERICA Grips - Heated - Clip-On - X-Claws - 12 V AX1200M0
KOSO NORTH AMERICA
MSRP: $103.95Now: $93.56Was: $103.95Cold hands kill performance. Whether you're logging winter track days or tackling early-morning canyon runs, heated grips maintain grip strength and throttle control when conditions demand it most...20402633- SKU:
- 20402633
- Availability:
- Ships Same Business Day
- Weight:
- 0.18 LBS
- FEATURES:
- WITH SWITCHES
- MATERIAL:
- RUBBER
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- PAIR
- MODEL:
- X-CLAW
- PRODUCT NAME:
- HAND WARMER
- TYPE:
- CLIP-ON
- BASE COLOR:
- BLACK
- RIDING STYLE:
- SNOW
- COLOR/FINISH:
- BLACK
- LENGTH IMPERIAL:
- 3-11/16'
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- ATV
- RIDING STYLE:
- STREET
- STYLE:
- 12 V
MSRP: $103.95Now: $93.56Was: $103.95 -
On Sale
KOSO NORTH AMERICA Intake Manifold Gasket - Grom DP623K000E
KOSO NORTH AMERICA
MSRP: $8.95Now: $8.06Was: $8.95A compromised intake manifold gasket leads to vacuum leaks, rough idle, and degraded performance—issues that compromise your Grom's reliability and throttle response. The KOSO NORTH AMERICA...09350860- SKU:
- 09350860
- Availability:
- Ships Same Business Day
- Weight:
- 0.11 LBS
- RIDING STYLE:
- STREET
- MATERIAL:
- STEEL
- PRODUCT NAME:
- GASKET
- TYPE:
- INTAKE MANIFOLD
- UNITS:
- PAIR
MSRP: $8.95Now: $8.06Was: $8.95Qty in Cart: 0Quantity:Price:MSRP: $8.95Now: $8.06Was: $8.95Subtotal: -
On Sale
KOSO NORTH AMERICA Valve Head Kit - Big Bore - Grom MB623003
KOSO NORTH AMERICA
MSRP: $1,299.95Now: $1,169.96Was: $1,299.95If you're serious about extracting maximum performance from your Grom, the KOSO NORTH AMERICA Valve Head Kit is the engineered solution to unlock additional horsepower and torque. The four-valve...09500754- SKU:
- 09500754
- Availability:
- Ships Same Business Day
- Weight:
- 3.16 LBS
- PRODUCT NAME:
- CYLINDER HEAD KIT
- FEATURES:
- WITH 170 CC BIG BORE KIT
- RIDING STYLE:
- STREET
- UNITS:
- KIT
- MATERIAL:
- STAINLESS STEEL
- TYPE:
- 4 VALVE
MSRP: $1,299.95Now: $1,169.96Was: $1,299.95Qty in Cart: 0Quantity:Price:MSRP: $1,299.95Now: $1,169.96Was: $1,299.95Subtotal: -
On Sale
KOSO NORTH AMERICA Air Filter - Grom Race DK623000
KOSO NORTH AMERICA
MSRP: $77.95Now: $70.16Was: $77.95Stock air filtration restricts your Grom's breathing potential and limits peak power output. The KOSO DK623000 delivers measurable airflow gains through optimized intake geometry while maintaining...10101865- SKU:
- 10101865
- Availability:
- Ships Same Business Day
- Weight:
- 0.65 LBS
- PRODUCT NAME:
- AIR FILTER
- BASE COLOR:
- BLACK
- MODEL:
- HURRICANE
- FILTER MEDIA MATERIAL:
- FOAM
- RIDING STYLE:
- STREET
- COLOR/FINISH:
- BLACK
- COLOR/FINISH:
- RED
- UNITS:
- EACH
MSRP: $77.95Now: $70.16Was: $77.95 -
On Sale
KOSO NORTH AMERICA Intake Manifold - Grom DP623001
KOSO NORTH AMERICA
MSRP: $89.95Now: $80.96Was: $89.95A properly tuned intake manifold is critical for extracting maximum performance from your Grom's engine. The KOSO DP623001 integrates the throttle body and intake manifold into a single optimized...10220153- SKU:
- 10220153
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
- RIDING STYLE:
- STREET
- TYPE:
- SINGLE BORE
- COLOR/FINISH:
- BLACK
- PRODUCT NAME:
- INTAKE MANIFOLD
- UNITS:
- KIT
- BASE COLOR:
- BLACK
- FEATURES:
- INCLUDES GASKETS
MSRP: $89.95Now: $80.96Was: $89.95 -
On Sale
KOSO NORTH AMERICA Wideband Air/Fuel Ratio Meter - 3.9" W x 1.7" H x 0.90" D BA004068
KOSO NORTH AMERICA
MSRP: $468.95Now: $422.06Was: $468.95Precise air/fuel ratio tuning separates competitive racers from the rest. This wideband meter eliminates guesswork by displaying real-time combustion data, enabling you to dial in peak performance...10500229- SKU:
- 10500229
- Availability:
- Ships Same Business Day
- Weight:
- 1.17 LBS
- DEPTH IMPERIAL:
- 0.9'
- FACE COLOR:
- BLUE
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- DIGITAL AIR-FUEL RATIO GAUGE
- FEATURES:
- BACKLIT
- PRODUCT NAME:
- GAUGE
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- WIDTH IMPERIAL:
- 3.9'
- HOUSING MATERIAL:
- PLASTIC
- LENGTH IMPERIAL:
- 1.7'
- MODEL:
- MINI 3
- UNITS:
- EACH
- HOUSING COLOR:
- BLACK
- READOUT COLOR:
- BLACK
- RIDING STYLE:
- SNOW
- STYLE:
- ELECTRONIC
MSRP: $468.95Now: $422.06Was: $468.95Qty in Cart: 0Quantity:Price:MSRP: $468.95Now: $422.06Was: $468.95Subtotal: -
On Sale
KOSO NORTH AMERICA Filter - Grom Hurricane DK633000
KOSO NORTH AMERICA
MSRP: $79.95Now: $71.96Was: $79.95A restrictive factory air intake limits your Grom's breathing potential and leaves performance on the table. The KOSO North America Hurricane air filter replaces that bottleneck with a high-flow...10114436- SKU:
- 10114436
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
- COLOR/FINISH:
- BLACK
- COLOR/FINISH:
- RED
- FILTER MEDIA MATERIAL:
- FOAM
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- AIR FILTER
- UNITS:
- EACH
- BASE COLOR:
- BLACK
- MODEL:
- HURRICANE
MSRP: $79.95Now: $71.96Was: $79.95 -
On Sale
KOSO NORTH AMERICA Mini 3 Air/Fuel Ratio Meter - '14-'15 Honda Grom BA003214
KOSO NORTH AMERICA
MSRP: $128.95Now: $116.06Was: $128.95Precision tuning starts with data. The KOSO North America Mini 3 Air/Fuel Ratio Meter gives you real-time visibility into your engine's combustion efficiency, allowing you to dial in peak performance...10202369- SKU:
- 10202369
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
- DEPTH IMPERIAL:
- 0.5'
- FEATURES:
- SNAP LOCK WIRE CONNECTORS
- PRODUCT NAME:
- DIGITAL AIR-FUEL RATIO GAUGE
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- UTV
- FACE COLOR:
- BLUE
- FEATURES:
- WIRING ADAPTER
- HOUSING COLOR:
- BLACK
- LENGTH IMPERIAL:
- 1.2'
- RIDING STYLE:
- OFF-ROAD
- STYLE:
- ELECTRONIC
- WIDTH IMPERIAL:
- 2.4'
- FEATURES:
- BACKLIT
- FEATURES:
- WIRE HARNESS
- HOUSING MATERIAL:
- PLASTIC
- READOUT COLOR:
- BLUE
- UNITS:
- EACH
- FEATURES:
- INCLUDES SELF-ADHESIVE 3M™ BACKING
- RIDING STYLE:
- ATV
MSRP: $128.95Now: $116.06Was: $128.95Qty in Cart: 0Quantity:Price:MSRP: $128.95Now: $116.06Was: $128.95Subtotal: -
On Sale
KOSO NORTH AMERICA Banjo Bolt Kit - Big Bore - Grom MO623100
KOSO NORTH AMERICA
MSRP: $21.95Now: $19.76Was: $21.95If you're serious about maximizing your Grom's performance, the KOSO Big Bore Banjo Bolt Kit delivers the cylinder displacement and combustion efficiency needed to unlock real power gains. This...09320105- SKU:
- 09320105
- Availability:
- Ships Same Business Day
- Weight:
- 0.26 LBS
- DIAMETER - THREAD SIZE:
- M10 X 1.25
- STYLE:
- BIG BORE
- PRODUCT NAME:
- BANJO BOLT
- BOLT LENGTH:
- 21 MM
- COLOR/FINISH:
- CHROME
- RIDING STYLE:
- STREET
- TYPE:
- SINGLE
- UNITS:
- KIT
MSRP: $21.95Now: $19.76Was: $21.95Qty in Cart: 0Quantity:Price:MSRP: $21.95Now: $19.76Was: $21.95Subtotal: -
On Sale
KOSO NORTH AMERICA Big Bore Gasket Kit MA623100
KOSO NORTH AMERICA
MSRP: $42.95Now: $38.66Was: $42.95When you've invested in a Koso 170CC Big Bore Kit, protecting that performance upgrade means using OEM-equivalent gaskets designed to your engine's specifications. This replacement gasket kit ensures...09343478- SKU:
- 09343478
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- GASKET
- RIDING STYLE:
- STREET
- UNITS:
- PAIR
- BORE SIZE:
- 61,00 MM
- DISPLACEMENT:
- 170 CC
- STYLE:
- BIG BORE
- TYPE:
- TOP END
- BORE SIZE METRIC:
- 61.00 MM
MSRP: $42.95Now: $38.66Was: $42.95Qty in Cart: 0Quantity:Price:MSRP: $42.95Now: $38.66Was: $42.95Subtotal: -
On Sale
KOSO NORTH AMERICA Piston - Big Bore - Grom MD623000
KOSO NORTH AMERICA
MSRP: $138.95Now: $125.06Was: $138.95If you're serious about maximizing your Grom's output, a big bore piston is the foundation of any displacement upgrade. This KOSO piston delivers the precision tolerances and material quality...09103676- SKU:
- 09103676
- Availability:
- Ships Same Business Day
- Weight:
- 0.35 LBS
- BORE SIZE METRIC:
- 61.00 MM
- RIDING STYLE:
- STREET
- PISTON MATERIAL:
- FORGED ALUMINUM
- PISTON SIZE METRIC:
- 61.00 MM
- TYPE:
- BIG BORE
- COMPRESSION RATIO IMPERIAL:
- 11.5:1
- PRODUCT NAME:
- PISTON KIT
- UNITS:
- KIT
MSRP: $138.95Now: $125.06Was: $138.95Qty in Cart: 0Quantity:Price:MSRP: $138.95Now: $125.06Was: $138.95Subtotal: -
On Sale
KOSO NORTH AMERICA Big Bore Cylinder Kit MB623002
KOSO NORTH AMERICA
MSRP: $481.95Now: $433.76Was: $481.95If you're serious about maximizing displacement and compression in your build, the KOSO North America Big Bore Cylinder Kit delivers the displacement gains and structural integrity that separates a...09031124- SKU:
- 09031124
- Availability:
- Ships Same Business Day
- Weight:
- 3.36 LBS
- BORE SIZE METRIC:
- 61.00 MM
- MATERIAL:
- FORGED
- UNITS:
- KIT
- ENGINE TYPE:
- 4-STROKE
- COLOR/FINISH:
- ALUMINUM
- COMPRESSION RATIO IMPERIAL:
- 11.5:1
- DISPLACEMENT:
- 170 CC
- MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- CYLINDER KIT
- RIDING STYLE:
- STREET
- STYLE:
- BIG BORE
MSRP: $481.95Now: $433.76Was: $481.95Qty in Cart: 0Quantity:Price:MSRP: $481.95Now: $433.76Was: $481.95Subtotal: -
On Sale
KOSO NORTH AMERICA Super Slim Temperature Gauge - Red Digits - 2.22" W x 1.06" H x 0.43" D BA024R10
KOSO NORTH AMERICA
MSRP: $61.95Now: $55.76Was: $61.95Real-time engine temperature monitoring is critical for protecting your investment and maximizing performance, whether you're on the track or tuning at home. The KOSO North America Super Slim...22120735- SKU:
- 22120735
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- FEATURES:
- BACKLIT
- TYPE:
- TEMPERATURE GAUGE
- WIDTH IMPERIAL:
- 2.22'
- LENGTH IMPERIAL:
- 1.06'
- MODEL:
- SUPER SLIM
- PRODUCT NAME:
- GAUGE
- RIDING STYLE:
- ATV
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- FACE COLOR:
- BLACK
- READOUT COLOR:
- RED
- RIDING STYLE:
- OFF-ROAD
- RIDING STYLE:
- UTV
- STYLE:
- ELECTRONIC
- DEPTH IMPERIAL:
- 0.43'
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
MSRP: $61.95Now: $55.76Was: $61.95Qty in Cart: 0Quantity:Price:MSRP: $61.95Now: $55.76Was: $61.95Subtotal: -
On Sale
KOSO NORTH AMERICA HD-02 Oil Temperature Gauge - Chrome - 2" BA050500
KOSO NORTH AMERICA
MSRP: $195.95Now: $176.36Was: $195.95Real-time oil temperature monitoring is essential for protecting your engine during sustained high-performance riding. The KOSO HD-02 gives you instant visibility into critical thermal data, allowing...22120736- SKU:
- 22120736
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
- PRODUCT NAME:
- GAUGE
- RIDING STYLE:
- STREET
- HOUSING COLOR:
- CHROME
- MODEL:
- HD-02
- READOUT COLOR:
- BLUE
- STYLE:
- ELECTRONIC
- UNITS:
- EACH
- FACE COLOR:
- BLACK
- READOUT COLOR:
- RED
- TYPE:
- OIL TEMPERATURE
MSRP: $195.95Now: $176.36Was: $195.95Qty in Cart: 0Quantity:Price:MSRP: $195.95Now: $176.36Was: $195.95Subtotal: -
On Sale
KOSO NORTH AMERICA HD-02 Oil Temperature Gauge - Black - 2" BA050510
KOSO NORTH AMERICA
MSRP: $195.95Now: $176.36Was: $195.95Accurate oil temperature monitoring is critical for engine longevity and performance tuning—especially under sustained load or forced induction. The KOSO HD-02 delivers real-time temperature data in...22120737- SKU:
- 22120737
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
- FACE COLOR:
- BLACK
- READOUT COLOR:
- RED
- HOUSING COLOR:
- BLACK
- READOUT COLOR:
- BLUE
- STYLE:
- ELECTRONIC
- TYPE:
- OIL TEMPERATURE
- UNITS:
- EACH
- MODEL:
- HD-02
- PRODUCT NAME:
- GAUGE
- RIDING STYLE:
- STREET
MSRP: $195.95Now: $176.36Was: $195.95Qty in Cart: 0Quantity:Price:MSRP: $195.95Now: $176.36Was: $195.95Subtotal: -
On Sale
KOSO NORTH AMERICA Oil Temperature Sensor - M10 x P1.0 BF100100
KOSO NORTH AMERICA
MSRP: $21.95Now: $19.76Was: $21.95Accurate oil temperature monitoring is critical for engine longevity and performance tuning. The KOSO North America Oil Temperature Sensor provides real-time thermal data to prevent bearing damage,...22120284- SKU:
- 22120284
- Availability:
- Ships Same Business Day
- Weight:
- 0.03 LBS
- PRODUCT NAME:
- SENSOR
- RIDING STYLE:
- OFF-ROAD
- RIDING STYLE:
- WATERCRAFT
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- UTV
- TYPE:
- OIL TEMPERATURE
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- ATV
- UNITS:
- EACH
- DIAMETER - THREAD SIZE METRIC:
- M10 X P1.00
- RIDING STYLE:
- STREET
MSRP: $21.95Now: $19.76Was: $21.95Qty in Cart: 0Quantity:Price:MSRP: $21.95Now: $19.76Was: $21.95Subtotal: -
On Sale
KOSO NORTH AMERICA Oil Temperature Sensor - M12 x P1.5 BF120125
KOSO NORTH AMERICA
MSRP: $21.95Now: $19.76Was: $21.95Accurate oil temperature monitoring is critical for protecting your engine during high-performance driving and racing conditions. The KOSO NORTH AMERICA Oil Temperature Sensor delivers precise...22120285- SKU:
- 22120285
- Availability:
- Ships Same Business Day
- Weight:
- 0.03 LBS
- DIAMETER - THREAD SIZE METRIC:
- M12 X P1.50
- PRODUCT NAME:
- SENSOR
- RIDING STYLE:
- ATV
- RIDING STYLE:
- OFF-ROAD
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- UNITS:
- EACH
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- UTV
- RIDING STYLE:
- WATERCRAFT
- TYPE:
- OIL TEMPERATURE
- RIDING STYLE:
- STREET
MSRP: $21.95Now: $19.76Was: $21.95Qty in Cart: 0Quantity:Price:MSRP: $21.95Now: $19.76Was: $21.95Subtotal: -
On Sale
KOSO NORTH AMERICA Mini 3 Oil Pressure Gauge - 1.2" L x 2.4" W x 0.50" D BA003200
KOSO NORTH AMERICA
MSRP: $258.95Now: $233.06Was: $258.95Oil pressure is the lifeblood of engine health—drop below safe levels and you're looking at catastrophic wear or complete failure. The KOSO NORTH AMERICA Mini 3 Oil Pressure Gauge gives you real-time...22120489- SKU:
- 22120489
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
- FACE COLOR:
- BLUE
- FEATURES:
- BACKLIT
- HOUSING COLOR:
- BLACK
- RIDING STYLE:
- ATV
- TYPE:
- OIL PRESSURE
- LENGTH IMPERIAL:
- 1.2'
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- DEPTH IMPERIAL:
- 0.5'
- MODEL:
- MINI 3
- READOUT COLOR:
- BLUE
- PRODUCT NAME:
- GAUGE
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- STREET
- RIDING STYLE:
- UTV
- STYLE:
- ELECTRONIC
- WIDTH IMPERIAL:
- 2.4'
MSRP: $258.95Now: $233.06Was: $258.95Qty in Cart: 0Quantity:Price:MSRP: $258.95Now: $233.06Was: $258.95Subtotal: -
On Sale
KOSO NORTH AMERICA Ignition Coil - Grom KU623100
KOSO NORTH AMERICA
MSRP: $98.95Now: $89.06Was: $98.95A weak ignition coil throttles your Grom's potential, leaving performance on the table and compromising throttle response. The KOSO NORTH AMERICA ignition coil delivers a significantly stronger spark...21020421- SKU:
- 21020421
- Availability:
- Ships Same Business Day
- Weight:
- 0.55 LBS
- COLOR/FINISH:
- RED
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- IGNITION COIL
- UNITS:
- EACH
MSRP: $98.95Now: $89.06Was: $98.95Qty in Cart: 0Quantity:Price:MSRP: $98.95Now: $89.06Was: $98.95Subtotal: -
On Sale
KOSO NORTH AMERICA Oil Adapter - M12X1.5X15 BG241215
KOSO NORTH AMERICA
MSRP: $10.95Now: $9.86Was: $10.95Oil pressure sensors and gauges require a reliable mounting point to function accurately in your engine bay. The KOSO M12X1.5X15 Oil Adapter provides a straightforward solution for integrating...07130132- SKU:
- 07130132
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- ADAPTER
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- ATV
- RIDING STYLE:
- STREET
- BASE COLOR:
- BLUE
- FOR FRAME TUBE DIAMETER IMPERIAL:
- 1-1/2'
- OUTSIDE DIAMETER METRIC:
- 12 MM
- UNITS:
- EACH
- COLOR/FINISH:
- BLUE
- FOR FRAME TUBE DIAMETER METRIC:
- 38.1 MM
- RIDING STYLE:
- OFF-ROAD
- LENGTH METRIC:
- 15 MM
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- UTV
- TYPE:
- OIL TEMPERATURE GAUGE
MSRP: $10.95Now: $9.86Was: $10.95Qty in Cart: 0Quantity:Price:MSRP: $10.95Now: $9.86Was: $10.95Subtotal: -
On Sale
KOSO NORTH AMERICA Oil Adapter - M16X1.5X15 BG301615
KOSO NORTH AMERICA
MSRP: $10.95Now: $9.86Was: $10.95If you're running aftermarket gauges or auxiliary sensors on your build, you need a reliable oil adapter that won't leak under pressure. The KOSO NORTH AMERICA Oil Adapter ensures proper fitment and...07130135- SKU:
- 07130135
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- RIDING STYLE:
- UTV
- BASE COLOR:
- BLUE
- LENGTH METRIC:
- 15 MM
- MATERIAL:
- ALUMINUM
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- STREET
- TYPE:
- OIL TEMPERATURE GAUGE
- OUTSIDE DIAMETER METRIC:
- 16 MM
- PRODUCT NAME:
- ADAPTER
- COLOR/FINISH:
- BLUE
- FOR FRAME TUBE DIAMETER IMPERIAL:
- 1-1/2'
- FOR FRAME TUBE DIAMETER METRIC:
- 38.1 MM
- RIDING STYLE:
- ATV
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
MSRP: $10.95Now: $9.86Was: $10.95Qty in Cart: 0Quantity:Price:MSRP: $10.95Now: $9.86Was: $10.95Subtotal: -
On Sale
KOSO NORTH AMERICA Oil Adapter - M20X1.0X15 BG302010
KOSO NORTH AMERICA
MSRP: $10.95Now: $9.86Was: $10.95If you're running aftermarket gauges, a turbo kit, or custom engine monitoring, you need a reliable oil pressure adapter that won't leak or fail under sustained boost. The KOSO North America Oil...07130137- SKU:
- 07130137
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- BASE COLOR:
- BLUE
- MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- ADAPTER
- COLOR/FINISH:
- BLUE
- LENGTH METRIC:
- 15 MM
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- STREET
- RIDING STYLE:
- UTV
- TYPE:
- OIL TEMPERATURE GAUGE
- FOR FRAME TUBE DIAMETER IMPERIAL:
- 1'
- FOR FRAME TUBE DIAMETER METRIC:
- 25.4 MM
- OUTSIDE DIAMETER METRIC:
- 20 MM
- RIDING STYLE:
- ATV
- UNITS:
- EACH
- RIDING STYLE:
- OFF-ROAD
- RIDING STYLE:
- SNOW
MSRP: $10.95Now: $9.86Was: $10.95 -
On Sale
KOSO NORTH AMERICA Weld-On Exhaust Bung BG001800
KOSO NORTH AMERICA
MSRP: $13.95Now: $12.56Was: $13.95Proper O2 sensor placement is critical for accurate air-fuel ratio monitoring and engine tuning precision. This weld-on bung provides a clean, professional installation point for your oxygen sensor...18610523- SKU:
- 18610523
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- RIDING STYLE:
- ATV
- RIDING STYLE:
- STREET
- RIDING STYLE:
- UTV
- TYPE:
- O2 SENSOR
- PRODUCT NAME:
- BUNG
- THREAD DIAMETER:
- 18 MM
- UNITS:
- EACH
- RIDING STYLE:
- OFF-ROAD
- RIDING STYLE:
- SNOW
- THREAD PITCH METRIC:
- 1.5 MM
MSRP: $13.95Now: $12.56Was: $13.95 -
On Sale
KOSO NORTH AMERICA Clamp Engine Tuning 40-60Mm BI520001
KOSO NORTH AMERICA
MSRP: $15.95Now: $14.36Was: $15.95Accurate exhaust gas temperature monitoring is essential for tuning forced induction systems, preventing detonation, and optimizing fuel mapping. This KOSO clamp provides a secure, repeatable...24040377- SKU:
- 24040377
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- APPLICATION:
- EGT SENSOR
- CLAMPING DIAMETER METRIC:
- 40 MM - 60 MM
- UNITS:
- EACH
- PRODUCT NAME:
- CLAMP
- RIDING STYLE:
- SNOW
MSRP: $15.95Now: $14.36Was: $15.95Qty in Cart: 0Quantity:Price:MSRP: $15.95Now: $14.36Was: $15.95Subtotal: -
On Sale
KOSO NORTH AMERICA Clamp Engine Tuning 60-80Mm BI520002
KOSO NORTH AMERICA
MSRP: $15.95Now: $14.36Was: $15.95Accurate exhaust gas temperature monitoring is critical for tuning forced induction systems and preventing catastrophic engine damage. The KOSO NORTH AMERICA Clamp Engine Tuning sensor mount provides...24040378- SKU:
- 24040378
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- UNITS:
- EACH
- APPLICATION:
- EGT SENSOR
- CLAMPING DIAMETER METRIC:
- 60 MM - 80 MM
- PRODUCT NAME:
- CLAMP
- RIDING STYLE:
- SNOW
MSRP: $15.95Now: $14.36Was: $15.95 -
On Sale
KOSO NORTH AMERICA Grips - Heated - Apollo - 7/8" AM111010
KOSO NORTH AMERICA
MSRP: $159.95Now: $143.96Was: $159.95Cold-weather riding demands comfort without compromise, and numb hands destroy both control and enjoyment. The KOSO NORTH AMERICA Heated Grips give you five adjustable heat levels controlled via an...06310237- SKU:
- 06310237
- Availability:
- Ships Same Business Day
- Weight:
- 1.01 LBS
- BASE COLOR:
- BLACK
- LENGTH METRIC:
- 12 CM
- MATERIAL:
- RUBBER
- MATERIAL:
- ALUMINUM
- MODEL:
- APOLLO
- PRODUCT NAME:
- GRIPS
- FEATURES:
- WITHOUT THUMB WARMER
- RIDING STYLE:
- OFF-ROAD
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- STREET
- STYLE:
- TWIST THROTTLE
- TYPE:
- HEATED
- UNITS:
- KIT
MSRP: $159.95Now: $143.96Was: $159.95 -
On Sale
KOSO NORTH AMERICA Grips - Heated - X-Claw - USB AX120000
KOSO NORTH AMERICA
MSRP: $74.95Now: $67.46Was: $74.95Cold hands kill your grip and control on the bike—whether you're commuting in winter or racing in early-season events. The KOSO North America X-Claw Heated Grips let you maintain comfort and...06310265- SKU:
- 06310265
- Availability:
- Ships Same Business Day
- Weight:
- 0.26 LBS
- BASE COLOR:
- BLACK
- MATERIAL:
- RUBBER
- FEATURES:
- USB POWERED
- LENGTH METRIC:
- 94 MM
- MODEL:
- X-CLAW
- PRODUCT NAME:
- GRIPS
- STYLE:
- CLIP ON
- UNITS:
- PAIR
- COLOR/FINISH:
- BLACK
- LENGTH IMPERIAL:
- 3-11/16'
- RIDING STYLE:
- STREET
- TYPE:
- HEATED
MSRP: $74.95Now: $67.46Was: $74.95 -
On Sale
KOSO NORTH AMERICA Grips - Heated - Apollo - 7/8" AX073010
KOSO NORTH AMERICA
MSRP: $159.95Now: $143.96Was: $159.95Cold-weather riding demands grips that keep your hands warm without forcing you to remove them from the handlebar or fumble with complicated controls. The KOSO NORTH AMERICA Heated Grips put five...06310182- SKU:
- 06310182
- Availability:
- Ships Same Business Day
- Weight:
- 0.95 LBS
- COLOR/FINISH:
- BLACK
- MATERIAL:
- ALUMINUM
- MODEL:
- APOLLO
- RIDING STYLE:
- ATV
- STYLE:
- THUMB THROTTLE
- TYPE:
- HEATED
- BASE COLOR:
- BLACK
- FEATURES:
- WITHOUT THUMB WARMER
- MATERIAL:
- RUBBER
- RIDING STYLE:
- SNOW
- PRODUCT NAME:
- GRIPS
- UNITS:
- KIT
- LENGTH METRIC:
- 13 CM
MSRP: $159.95Now: $143.96Was: $159.95 -
On Sale
KOSO NORTH AMERICA Grips - Heated - Apollo - 7/8" AX073210
KOSO NORTH AMERICA
MSRP: $171.95Now: $154.76Was: $171.95Cold-weather riding shouldn't mean numb hands or constant stops to warm up. The KOSO NORTH AMERICA heated grips deliver consistent, adjustable warmth directly where you need it, keeping your grip...06310183- SKU:
- 06310183
- Availability:
- Ships Same Business Day
- Weight:
- 1.10 LBS
- COLOR/FINISH:
- BLACK
- FEATURES:
- THUMB WARMER
- LENGTH METRIC:
- 13 CM
- TYPE:
- HEATED
- UNITS:
- KIT
- BASE COLOR:
- BLACK
- MATERIAL:
- RUBBER
- MATERIAL:
- ALUMINUM
- RIDING STYLE:
- SNOW
- STYLE:
- THUMB THROTTLE
- MODEL:
- APOLLO
- PRODUCT NAME:
- GRIPS
- RIDING STYLE:
- ATV
MSRP: $171.95Now: $154.76Was: $171.95 -
On Sale
KOSO NORTH AMERICA Grips - Heated - MX - 7/8" AX1070G0
KOSO NORTH AMERICA
MSRP: $171.95Now: $154.76Was: $171.95Cold hands kill lap times. KOSO heated grips maintain grip comfort and throttle control in freezing conditions, allowing you to focus on your line instead of numb fingers. The external temperature...06310184- SKU:
- 06310184
- Availability:
- Ships Same Business Day
- Weight:
- 0.85 LBS
- BASE COLOR:
- BLACK
- RIDING STYLE:
- SNOW
- COLOR/FINISH:
- BLACK
- TYPE:
- HEATED
- UNITS:
- PAIR
- PRODUCT NAME:
- GRIPS
- RIDING STYLE:
- OFF-ROAD
MSRP: $171.95Now: $154.76Was: $171.95 -
On Sale
KOSO NORTH AMERICA Clear Lens Mirror - Carbon Fiber/Black OA016CK2
KOSO NORTH AMERICA
MSRP: $112.95Now: $101.66Was: $112.95Track-focused visibility demands mirrors that won't distort your line of sight or add unnecessary weight to your build. The KOSO NORTH AMERICA Clear Lens Mirror combines a precision-ground optical...06400634- SKU:
- 06400634
- Availability:
- Ships Same Business Day
- Weight:
- 1.38 LBS
- DISPLAY COLOR/FINISH:
- CARBON FIBER
- FEATURES:
- CLEAR TINT
- MIRROR CURVATURE:
- FLAT
- MOUNTING POSITION:
- RIGHT
- MOUNTING POSITION:
- LEFT
- TYPE:
- SIDE VIEW
- UNITS:
- PAIR
- DIAMETER - THREAD SIZE METRIC:
- M10 X 1.25
- DISPLAY COLOR/FINISH:
- BLACK
- MIRROR HEAD SHAPE:
- DIAMOND
- MOUNTING LOCATION:
- HANDLEBAR
- MOUNTING STYLE:
- SCREW-IN
- MODEL:
- TT-STYLE
- MOUNT COLOR/FINISH:
- BLACK
- PRODUCT NAME:
- MIRROR
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- STREET
MSRP: $112.95Now: $101.66Was: $112.95 -
On Sale
KOSO NORTH AMERICA Blue Lens Mirror - Carbon Fiber/Black OA016CK6
KOSO NORTH AMERICA
MSRP: $112.95Now: $101.66Was: $112.95Track-focused visibility demands mirrors engineered for precision, not compromise. The KOSO North America Blue Lens Mirror combines carbon fiber construction with a blue-tinted lens to reduce glare...06400635- SKU:
- 06400635
- Availability:
- Ships Same Business Day
- Weight:
- 1.39 LBS
- FEATURES:
- ANTI-GLARE BLUE TINT
- TYPE:
- SIDE VIEW
- UNITS:
- PAIR
- MIRROR CURVATURE:
- FLAT
- MOUNTING POSITION:
- RIGHT
- PRODUCT NAME:
- MIRROR
- DIAMETER - THREAD SIZE METRIC:
- M10 X 1.25
- DISPLAY COLOR/FINISH:
- BLACK
- DISPLAY COLOR/FINISH:
- CARBON FIBER
- MIRROR HEAD SHAPE:
- DIAMOND
- MOUNTING LOCATION:
- HANDLEBAR
- MOUNTING STYLE:
- SCREW-IN
- MODEL:
- TT-STYLE
- MOUNT COLOR/FINISH:
- BLACK
- MOUNTING POSITION:
- LEFT
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- STREET
MSRP: $112.95Now: $101.66Was: $112.95 -
On Sale
KOSO NORTH AMERICA Sprint Mirror SA000003
KOSO NORTH AMERICA
MSRP: $149.95Now: $134.96Was: $149.95Enhanced visibility is non-negotiable for safe, confident riding—especially at speed. The KOSO NORTH AMERICA Sprint Mirror delivers a large, distortion-free reflective surface that expands your sight...06401442- SKU:
- 06401442
- Availability:
- Ships Same Business Day
- Weight:
- 1.96 LBS
- COLOR/FINISH:
- BLACK
- COLOR/FINISH:
- MATTE
- MIRROR CURVATURE:
- CONVEX
- MOUNTING POSITION:
- LEFT
- TYPE:
- SIDE VIEW
- UNITS:
- KIT
- MIRROR STYLE:
- SPRINT
- MOUNTING STYLE:
- SCREW-IN
- MOUNTING LOCATION:
- HANDLEBAR
- MOUNTING POSITION:
- RIGHT
- MIRROR HEAD SHAPE:
- KIDNEY
- PRODUCT NAME:
- MIRROR
- RIDING STYLE:
- STREET
MSRP: $149.95Now: $134.96Was: $149.95 -
On Sale
KOSO NORTH AMERICA Apex Mirror - Matte SB000010
KOSO NORTH AMERICA
MSRP: $297.95Now: $268.16Was: $297.95Clean, purposeful mirror design doesn't have to compromise on functionality. The KOSO NORTH AMERICA Apex Mirror integrates an LED indicator directly into the mirror shell, giving you critical...06401443- SKU:
- 06401443
- Availability:
- Ships Same Business Day
- Weight:
- 2.06 LBS
- MIRROR HEAD SHAPE:
- DIAMOND
- MOUNTING STYLE:
- SCREW-IN
- COLOR/FINISH:
- BLACK
- MIRROR CURVATURE:
- CONVEX
- MIRROR HEAD HEIGHT IMPERIAL:
- 3.68'
- MOUNTING POSITION:
- LEFT
- TYPE:
- THREAD
- UNITS:
- PAIR
- MIRROR STYLE:
- APEX
- MOUNTING LOCATION:
- HANDLEBAR
- MOUNTING POSITION:
- RIGHT
- COLOR/FINISH:
- MATTE
- PRODUCT NAME:
- MIRROR
- RIDING STYLE:
- STREET
MSRP: $297.95Now: $268.16Was: $297.95 -
On Sale
KOSO NORTH AMERICA I-Gear Volt Meter - Blue Digits - 1.57" Diameter x 0.43" D BA067B00
KOSO NORTH AMERICA
MSRP: $49.95Now: $44.96Was: $49.95Real-time voltage monitoring is critical for any race car or high-performance build—a sudden electrical failure mid-competition costs you the event. The KOSO North America I-Gear Volt Meter gives you...22120738- SKU:
- 22120738
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- FACE COLOR:
- BLACK
- HOUSING COLOR:
- BLACK
- RIDING STYLE:
- WATERCRAFT
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- UNITS:
- EACH
- DEPTH IMPERIAL:
- 0.43'
- READOUT COLOR:
- BLUE
- RIDING STYLE:
- SNOW
- STYLE:
- ELECTRONIC
- OUTSIDE DIAMETER IMPERIAL:
- 1-9/16'
- PRODUCT NAME:
- VOLT METER
- RIDING STYLE:
- STREET
MSRP: $49.95Now: $44.96Was: $49.95Qty in Cart: 0Quantity:Price:MSRP: $49.95Now: $44.96Was: $49.95Subtotal: -
On Sale
KOSO NORTH AMERICA I-Gear Thermometer - Blue Digits - 1.57" Diameter x 0.43" D BA067B12
KOSO NORTH AMERICA
MSRP: $61.95Now: $55.76Was: $61.95Real-time engine temperature monitoring is critical for protecting your investment and maximizing performance under track conditions or sustained high-load driving. The KOSO NORTH AMERICA I-Gear...22120739- SKU:
- 22120739
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- FACE COLOR:
- BLACK
- HOUSING COLOR:
- BLACK
- DEPTH IMPERIAL:
- 0.43'
- READOUT COLOR:
- BLUE
- RIDING STYLE:
- SNOW
- TYPE:
- THERMOMETER
- UNITS:
- EACH
- OUTSIDE DIAMETER IMPERIAL:
- 1-9/16'
- PRODUCT NAME:
- GAUGE
MSRP: $61.95Now: $55.76Was: $61.95Qty in Cart: 0Quantity:Price:MSRP: $61.95Now: $55.76Was: $61.95Subtotal: -
On Sale
KOSO NORTH AMERICA Multi-Functional Gauge - MS-01 BA078100
KOSO NORTH AMERICA
MSRP: $450.95Now: $405.86Was: $450.95Real-time engine and vehicle data at a glance—the KOSO MS-01 multi-functional gauge consolidates critical performance metrics into a single, easy-to-read display. Whether you're monitoring A/F ratio...22120832- SKU:
- 22120832
- Availability:
- Ships Same Business Day
- Weight:
- 1.75 LBS
- DEPTH IMPERIAL:
- 1-9/32'
- HOUSING MATERIAL:
- PLASTIC
- READOUT COLOR:
- WHITE
- TYPE:
- DIGITAL TACHOMETER
- UNITS:
- EACH
- MODEL:
- MS-01
- RIDING STYLE:
- STREET
- TYPE:
- DIGITAL CLOCK
- CALIBRATION IMPERIAL:
- 0 MPH - 124 MPH
- FACE COLOR:
- BLACK
- HOUSING COLOR:
- BLACK
- LENGTH IMPERIAL:
- 3-7/8'
- PRODUCT NAME:
- METER
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- DIGITAL SPEEDOMETER
- TYPE:
- DIGITAL THERMOMETER
- TYPE:
- DIGITAL VOLT METER
- WIDTH IMPERIAL:
- 5-1/16'
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- TYPE:
- DIGITAL AIR-FUEL RATIO GAUGE
- TYPE:
- DIGITAL FUEL GAUGE
MSRP: $450.95Now: $405.86Was: $450.95 -
On Sale
KOSO NORTH AMERICA Proton Water Temperature Gauge - With 16 mm Adapter BA074200-16
KOSO NORTH AMERICA
MSRP: $71.95Now: $64.76Was: $71.95Accurate coolant temperature monitoring is critical to engine reliability and performance tuning—guessing at your thermals is a recipe for catastrophic failure. The KOSO Proton Water Temperature...22120792- SKU:
- 22120792
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
- DEPTH IMPERIAL:
- 11/16'
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- SNOW
- FEATURES:
- 16 MM
- FEATURES:
- WITH ADAPTER
- LENGTH IMPERIAL:
- 1-5/16'
- PRODUCT NAME:
- GAUGE
- WIDTH IMPERIAL:
- 1-15/16'
- FACE COLOR:
- BLACK
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- WATER TEMPERATURE
- UNITS:
- EACH
MSRP: $71.95Now: $64.76Was: $71.95Qty in Cart: 0Quantity:Price:MSRP: $71.95Now: $64.76Was: $71.95Subtotal:
