Skip to content

KOSO NORTH AMERICA

Filters

$
$
Original price $269.95 - Original price $269.95
Original price $269.95
$269.95
$269.95 - $269.95
Current price $269.95

KOSO NORTH AMERICA D2 LCD - Multi Functional Gauge Harley-Davidson BA080020

KOSO NORTH AMERICA
In stock

High quality plug & play meter that is equipped with an 8-color changeable LCD display Features a tachometer/speedometer combination with a pr...

View full details
Original price $269.95 - Original price $269.95
Original price $269.95
$269.95
$269.95 - $269.95
Current price $269.95
Original price $20.95 - Original price $20.95
Original price $20.95
$20.95
$20.95 - $20.95
Current price $20.95

KOSO NORTH AMERICA 10' Wire Extension BZ008001

KOSO NORTH AMERICA
Low stock

Extension wire for for Mini4-IFR meter (part # 2212-0813)

Original price $20.95 - Original price $20.95
Original price $20.95
$20.95
$20.95 - $20.95
Current price $20.95
Original price $23.95 - Original price $23.95
Original price $23.95
$23.95
$23.95 - $23.95
Current price $23.95

KOSO NORTH AMERICA 15' Wire Extension BZ008002

KOSO NORTH AMERICA
Low stock

Extension wire for for Mini4-IFR meter (part # 2212-0813)

Original price $23.95 - Original price $23.95
Original price $23.95
$23.95
$23.95 - $23.95
Current price $23.95
Original price $177.95 - Original price $177.95
Original price $177.95
$177.95
$177.95 - $177.95
Current price $177.95

KOSO NORTH AMERICA 2" Fuel Level Gauge - Black BA050210

KOSO NORTH AMERICA
Low stock

Plug & play Red and blue changeable LCD display 4" speedometer includes odometer, trip meter, and clock 4" tachometer also shows gear p...

View full details
Original price $177.95 - Original price $177.95
Original price $177.95
$177.95
$177.95 - $177.95
Current price $177.95
Original price $177.95 - Original price $177.95
Original price $177.95
$177.95
$177.95 - $177.95
Current price $177.95

KOSO NORTH AMERICA 2" Fuel Level Gauge - Chrome BA050200

KOSO NORTH AMERICA
Low stock

Plug & play Red and blue changeable LCD display 4" speedometer includes odometer, trip meter, and clock 4" tachometer also shows gear p...

View full details
Original price $177.95 - Original price $177.95
Original price $177.95
$177.95
$177.95 - $177.95
Current price $177.95
Original price $177.95 - Original price $177.95
Original price $177.95
$177.95
$177.95 - $177.95
Current price $177.95

KOSO NORTH AMERICA 2" Oil Pressure Gauge - Black BA050430

KOSO NORTH AMERICA
Low stock

Plug & play Red and blue changeable LCD display 4" speedometer includes odometer, trip meter, and clock 4" tachometer also shows gear p...

View full details
Original price $177.95 - Original price $177.95
Original price $177.95
$177.95
$177.95 - $177.95
Current price $177.95
Original price $177.95 - Original price $177.95
Original price $177.95
$177.95
$177.95 - $177.95
Current price $177.95

KOSO NORTH AMERICA 2" Oil Pressure Gauge - Chrome BA050410

KOSO NORTH AMERICA
Low stock

Plug & play Red and blue changeable LCD display 4" speedometer includes odometer, trip meter, and clock 4" tachometer also shows gear p...

View full details
Original price $177.95 - Original price $177.95
Original price $177.95
$177.95
$177.95 - $177.95
Current price $177.95
Original price $177.95 - Original price $177.95
Original price $177.95
$177.95
$177.95 - $177.95
Current price $177.95

KOSO NORTH AMERICA 2" Voltmeter Gauge - Black BA050310

KOSO NORTH AMERICA
Low stock

Plug & play Red and blue changeable LCD display 4" speedometer includes odometer, trip meter, and clock 4" tachometer also shows gear p...

View full details
Original price $177.95 - Original price $177.95
Original price $177.95
$177.95
$177.95 - $177.95
Current price $177.95
Original price $177.95 - Original price $177.95
Original price $177.95
$177.95
$177.95 - $177.95
Current price $177.95

KOSO NORTH AMERICA 2" Voltmeter Gauge - Chrome BA050300

KOSO NORTH AMERICA
Low stock

Plug & play Red and blue changeable LCD display 4" speedometer includes odometer, trip meter, and clock 4" tachometer also shows gear p...

View full details
Original price $177.95 - Original price $177.95
Original price $177.95
$177.95
$177.95 - $177.95
Current price $177.95
Original price $43.95 - Original price $43.95
Original price $43.95
$43.95
$43.95 - $43.95
Current price $43.95

KOSO NORTH AMERICA 2-Stroke Bung Adapter BG001855

KOSO NORTH AMERICA
Low stock

For 2-stroke engines For use with wideband air/fuel ratio meters

Original price $43.95 - Original price $43.95
Original price $43.95
$43.95
$43.95 - $43.95
Current price $43.95
Original price $388.95 - Original price $388.95
Original price $388.95
$388.95
$388.95 - $388.95
Current price $388.95

KOSO NORTH AMERICA 4" Speedometer - Black BA051010

KOSO NORTH AMERICA
Low stock

Plug & play Red and blue changeable LCD display 4" speedometer includes odometer, trip meter, and clock 4" tachometer also shows gear p...

View full details
Original price $388.95 - Original price $388.95
Original price $388.95
$388.95
$388.95 - $388.95
Current price $388.95
Original price $388.95 - Original price $388.95
Original price $388.95
$388.95
$388.95 - $388.95
Current price $388.95

KOSO NORTH AMERICA 4" Speedometer - Chrome BA051000

KOSO NORTH AMERICA
Low stock

Plug & play Red and blue changeable LCD display 4" speedometer includes odometer, trip meter, and clock 4" tachometer also shows gear p...

View full details
Original price $388.95 - Original price $388.95
Original price $388.95
$388.95
$388.95 - $388.95
Current price $388.95
Original price $388.95 - Original price $388.95
Original price $388.95
$388.95
$388.95 - $388.95
Current price $388.95

KOSO NORTH AMERICA 4" Tachometer - Black BA051110

KOSO NORTH AMERICA
Low stock

Plug & play Red and blue changeable LCD display 4" speedometer includes odometer, trip meter, and clock 4" tachometer also shows gear p...

View full details
Original price $388.95 - Original price $388.95
Original price $388.95
$388.95
$388.95 - $388.95
Current price $388.95
Original price $388.95 - Original price $388.95
Original price $388.95
$388.95
$388.95 - $388.95
Current price $388.95

KOSO NORTH AMERICA 4" Tachometer - Chrome BA051100

KOSO NORTH AMERICA
Low stock

Plug & play Red and blue changeable LCD display 4" speedometer includes odometer, trip meter, and clock 4" tachometer also shows gear p...

View full details
Original price $388.95 - Original price $388.95
Original price $388.95
$388.95
$388.95 - $388.95
Current price $388.95
Original price $18.95 - Original price $18.95
Original price $18.95
$18.95
$18.95 - $18.95
Current price $18.95

KOSO NORTH AMERICA 6' Wire Extension BZ008000

KOSO NORTH AMERICA
In stock

Extension wire for for Mini4-IFR meter (part # 2212-0813)

Original price $18.95 - Original price $18.95
Original price $18.95
$18.95
$18.95 - $18.95
Current price $18.95
Original price $44.95 - Original price $44.95
Original price $44.95
$44.95
$44.95 - $44.95
Current price $44.95

KOSO NORTH AMERICA AC/DC Converter BL000010

KOSO NORTH AMERICA
In stock

Ideal for use with snowmobiles, ATV's, or dirtbikes Compact aluminum unit with strong resistance Converts AC power into DC power Input voltage AC/...

View full details
Original price $44.95 - Original price $44.95
Original price $44.95
$44.95
$44.95 - $44.95
Current price $44.95
Original price $54.95 - Original price $54.95
Original price $54.95
$54.95
$54.95 - $54.95
Current price $54.95

KOSO NORTH AMERICA Adapter Kit - RX-1N/RS-2/RX-2N Meters - Carburetor BO015010

KOSO NORTH AMERICA
Out of stock

Designed to help install popular meters on Suzuki SV650 carbureted or injected models

Original price $54.95 - Original price $54.95
Original price $54.95
$54.95
$54.95 - $54.95
Current price $54.95
Sold out
Original price $61.95 - Original price $61.95
Original price $61.95
$61.95
$61.95 - $61.95
Current price $61.95

KOSO NORTH AMERICA Air Filter - Grom Race DK623000

KOSO NORTH AMERICA
Low stock

Multi air filter intake increases airflow, improves filtering efficiency and raises the engine's output performance High-quality foam filter is...

View full details
Original price $61.95 - Original price $61.95
Original price $61.95
$61.95
$61.95 - $61.95
Current price $61.95
Original price $61.95 - Original price $61.95
Original price $61.95
$61.95
$61.95 - $61.95
Current price $61.95

KOSO NORTH AMERICA Air Filter - Honda MSX125 Grom 2022-2023 DK640000

KOSO NORTH AMERICA
In stock

Improve filtering efficiency and raise the engine output performance High-quality foam filter that is easy to assemble and disassemble Suitable fo...

View full details
Original price $61.95 - Original price $61.95
Original price $61.95
$61.95
$61.95 - $61.95
Current price $61.95
Original price $109.95 - Original price $109.95
Original price $109.95
$109.95
$109.95 - $109.95
Current price $109.95

KOSO NORTH AMERICA Air Pressure Sensor - HD-03 28-A120300

KOSO NORTH AMERICA
Out of stock

Optional air pressure sensor for air suspension

Original price $109.95 - Original price $109.95
Original price $109.95
$109.95
$109.95 - $109.95
Current price $109.95
Sold out
Original price $124.95 - Original price $124.95
Original price $124.95
$124.95
$124.95 - $124.95
Current price $124.95

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

KOSO NORTH AMERICA
Out of stock

Extension Length 180cm.

Original price $124.95 - Original price $124.95
Original price $124.95
$124.95
$124.95 - $124.95
Current price $124.95
Sold out
Original price $414.95 - Original price $414.95
Original price $414.95
$414.95
$414.95 - $414.95
Current price $414.95

KOSO NORTH AMERICA Air/Fuel Gauge - Black - 12ft BB642W31

KOSO NORTH AMERICA
Out of stock

Features air fuel ratio reading, RPM and playback ability to optimize your rides performance The large digits and bright back light makes it ea...

View full details
Original price $414.95 - Original price $414.95
Original price $414.95
$414.95
$414.95 - $414.95
Current price $414.95
Sold out
Original price $399.95 - Original price $399.95
Original price $399.95
$399.95
$399.95 - $399.95
Current price $399.95

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

KOSO NORTH AMERICA
Low stock

Features air fuel ratio reading, RPM and playback ability to optimize your rides performance The large digits and bright back light makes it ea...

View full details
Original price $399.95 - Original price $399.95
Original price $399.95
$399.95
$399.95 - $399.95
Current price $399.95
Original price $2.75
Original price $2.75 - Original price $2.75
Original price $2.75
Current price $2.65
$2.65 - $2.65
Current price $2.65

KOSO NORTH AMERICA Aluminum Bung Washer XT001BG812

KOSO NORTH AMERICA
In stock

Aluminum bung plug washer works with any 18mm O2 sensor bung plug

Original price $2.75
Original price $2.75 - Original price $2.75
Original price $2.75
Current price $2.65
$2.65 - $2.65
Current price $2.65
Save 4% Save %
Original price $237.95 - Original price $237.95
Original price $237.95
$237.95
$237.95 - $237.95
Current price $237.95

KOSO NORTH AMERICA Apex Mirror - Matte SB000010

KOSO NORTH AMERICA
Low stock

LED indicator in the mirror's shell Mirror dimensions: 3 -11/16" height, 1-1/2" depth

Original price $237.95 - Original price $237.95
Original price $237.95
$237.95
$237.95 - $237.95
Current price $237.95
Original price $16.95 - Original price $16.95
Original price $16.95
$16.95
$16.95 - $16.95
Current price $16.95

KOSO NORTH AMERICA Banjo Bolt Kit - Big Bore - Grom MO623100

KOSO NORTH AMERICA
Out of stock

Optional camshaft kit can be used with stock engine, but delivers improved results when used with 170cc Big Bore kit Banjo bolt kit designed fo...

View full details
Original price $16.95 - Original price $16.95
Original price $16.95
$16.95
$16.95 - $16.95
Current price $16.95
Sold out
Original price $384.95 - Original price $384.95
Original price $384.95
$384.95
$384.95 - $384.95
Current price $384.95

KOSO NORTH AMERICA Big Bore Cylinder Kit SEE TECH MB623002

KOSO NORTH AMERICA
Low stock

Includes ceramic coated cylinder, 61 mm forged piston, rings, pin, gasket kit and banjo bolts Compression ratio of 11.5 to 1 Optional camshaf...

View full details
Original price $384.95 - Original price $384.95
Original price $384.95
$384.95
$384.95 - $384.95
Current price $384.95
Original price $33.95 - Original price $33.95
Original price $33.95
$33.95
$33.95 - $33.95
Current price $33.95

KOSO NORTH AMERICA Big Bore Gasket Kit MA623100

KOSO NORTH AMERICA
In stock

Replacement gasket kit for Koso 170CC Big Bore Kit

Original price $33.95 - Original price $33.95
Original price $33.95
$33.95
$33.95 - $33.95
Current price $33.95
Original price $14.95 - Original price $14.95
Original price $14.95
$14.95
$14.95 - $14.95
Current price $14.95

KOSO NORTH AMERICA Blinker Adapter - Harley Davidson BO021071

KOSO NORTH AMERICA
In stock

Made to adapt LED indicator lights to most popular motorcycles

Original price $14.95 - Original price $14.95
Original price $14.95
$14.95
$14.95 - $14.95
Current price $14.95
Original price $89.95 - Original price $89.95
Original price $89.95
$89.95
$89.95 - $89.95
Current price $89.95

KOSO NORTH AMERICA Blue Lens Mirror - Carbon Fiber/Black OA016CK6

KOSO NORTH AMERICA
Low stock

Measures approximately 8-1/16" from farthest tip of mirror to stem base and 6-5/16" height Standard 10mm thread

Original price $89.95 - Original price $89.95
Original price $89.95
$89.95
$89.95 - $89.95
Current price $89.95
Original price $139.95 - Original price $139.95
Original price $139.95
$139.95
$139.95 - $139.95
Current price $139.95

KOSO NORTH AMERICA Bosch Oxygen Sensor 28-BOSCH

KOSO NORTH AMERICA
In stock

For use with air/fuel ratio meters

Original price $139.95 - Original price $139.95
Original price $139.95
$139.95
$139.95 - $139.95
Current price $139.95
Original price $69.95 - Original price $69.95
Original price $69.95
$69.95
$69.95 - $69.95
Current price $69.95

KOSO NORTH AMERICA Bracket BE081000

KOSO NORTH AMERICA
Low stock

Designed to install RX4 TFT Multimeter (sold separately) Easy to install

Original price $69.95 - Original price $69.95
Original price $69.95
$69.95
$69.95 - $69.95
Current price $69.95
Original price $59.95 - Original price $59.95
Original price $59.95
$59.95
$59.95 - $59.95
Current price $59.95

KOSO NORTH AMERICA Bracket BE081010

KOSO NORTH AMERICA
Low stock

Designed to install RX4 TFT Multimeter (sold separately) Easy to install

Original price $59.95 - Original price $59.95
Original price $59.95
$59.95
$59.95 - $59.95
Current price $59.95
Original price $59.95 - Original price $59.95
Original price $59.95
$59.95
$59.95 - $59.95
Current price $59.95

KOSO NORTH AMERICA Bracket BE081020

KOSO NORTH AMERICA
Low stock

Designed to install RX4 TFT Multimeter (sold separately) Easy to install

Original price $59.95 - Original price $59.95
Original price $59.95
$59.95
$59.95 - $59.95
Current price $59.95
Original price $78.95 - Original price $78.95
Original price $78.95
$78.95
$78.95 - $78.95
Current price $78.95

KOSO NORTH AMERICA Bullet Housing for Round Gauges - For 1.25"/1.50" Handlebar Bracket - Chrome BE550M11

KOSO NORTH AMERICA
Out of stock

Chrome bullet housings for KOSO round gauges with 2.17” dia. without bezel; 2.4” dia. with bezel Unique bracket system allows gauge housing to ...

View full details
Original price $78.95 - Original price $78.95
Original price $78.95
$78.95
$78.95 - $78.95
Current price $78.95
Sold out
Original price $94.95 - Original price $94.95
Original price $94.95
$94.95
$94.95 - $94.95
Current price $94.95

KOSO NORTH AMERICA Cam Chain Tensioner MU623000

KOSO NORTH AMERICA
Low stock

Arm made of 6061 aluminum, wheel made of structured steel Long lasting OEM replacement

Original price $94.95 - Original price $94.95
Original price $94.95
$94.95
$94.95 - $94.95
Current price $94.95
Original price $159.95 - Original price $159.95
Original price $159.95
$159.95
$159.95 - $159.95
Current price $159.95

KOSO NORTH AMERICA Camshaft - Big Bore Kit MM623002

KOSO NORTH AMERICA
In stock

Optional camshaft kit can be used with stock engine, but delivers improved results when used with 170cc Big Bore kit

Original price $159.95 - Original price $159.95
Original price $159.95
$159.95
$159.95 - $159.95
Current price $159.95
Original price $169.95 - Original price $169.95
Original price $169.95
$169.95
$169.95 - $169.95
Current price $169.95

KOSO NORTH AMERICA Camshaft - Grom/Monkey 2022 MM640000

KOSO NORTH AMERICA
Out of stock

Can be used with stock engine, but for better results use with the Koso's 170 cc big bore kit APPLICATION INTAKE / EXHAUST INTAKE LIFT 8.50 ...

View full details
Original price $169.95 - Original price $169.95
Original price $169.95
$169.95
$169.95 - $169.95
Current price $169.95
Sold out
Original price $53.95 - Original price $53.95
Original price $53.95
$53.95
$53.95 - $53.95
Current price $53.95

KOSO NORTH AMERICA Charger - USB-C KW005001

KOSO NORTH AMERICA
In stock

Quickly and efficiently charge your device and can be installed at any location on your ride with it’s included bracket Can charge up approxima...

View full details
Original price $53.95 - Original price $53.95
Original price $53.95
$53.95
$53.95 - $53.95
Current price $53.95
Original price $13.95 - Original price $13.95
Original price $13.95
$13.95
$13.95 - $13.95
Current price $13.95

KOSO NORTH AMERICA Clamp Engine Tuning 40-60Mm BI520001

KOSO NORTH AMERICA
Low stock

For use with EGT meters

Original price $13.95 - Original price $13.95
Original price $13.95
$13.95
$13.95 - $13.95
Current price $13.95
Original price $13.95 - Original price $13.95
Original price $13.95
$13.95
$13.95 - $13.95
Current price $13.95

KOSO NORTH AMERICA Clamp Engine Tuning 60-80Mm BI520002

KOSO NORTH AMERICA
Low stock

For use with EGT meters

Original price $13.95 - Original price $13.95
Original price $13.95
$13.95
$13.95 - $13.95
Current price $13.95
Original price $89.95 - Original price $89.95
Original price $89.95
$89.95
$89.95 - $89.95
Current price $89.95

KOSO NORTH AMERICA Clear Lens Mirror - Carbon Fiber/Black OA016CK2

KOSO NORTH AMERICA
Low stock

Measures approximately 8-1/16" from farthest tip of mirror to stem base and 6-5/16" height Standard 10mm thread

Original price $89.95 - Original price $89.95
Original price $89.95
$89.95
$89.95 - $89.95
Current price $89.95
Original price $123.95 - Original price $123.95
Original price $123.95
$123.95
$123.95 - $123.95
Current price $123.95

KOSO NORTH AMERICA Clutch Kit FA623002

KOSO NORTH AMERICA
In stock

Improves axial force Reduces risk of clutch slipping Includes high-tension clutch springs and discs

Original price $123.95 - Original price $123.95
Original price $123.95
$123.95
$123.95 - $123.95
Current price $123.95
Original price $44.95 - Original price $44.95
Original price $44.95
$44.95
$44.95 - $44.95
Current price $44.95

KOSO NORTH AMERICA Clutch Part FA623K00

KOSO NORTH AMERICA
In stock

CNC-machined for added strength over stock Adds durability and stability to clutch during installation and while shifting gears at high speed

Original price $44.95 - Original price $44.95
Original price $44.95
$44.95
$44.95 - $44.95
Current price $44.95
Original price $39.95 - Original price $39.95
Original price $39.95
$39.95
$39.95 - $39.95
Current price $39.95

KOSO NORTH AMERICA Connecting Air Tube DM623000

KOSO NORTH AMERICA
In stock

Combining throttle body with intake manifold will allow a better air/fuel mixture for quicker throttle response Control the amount of air flowi...

View full details
Original price $39.95 - Original price $39.95
Original price $39.95
$39.95
$39.95 - $39.95
Current price $39.95
Original price $41.95 - Original price $41.95
Original price $41.95
$41.95
$41.95 - $41.95
Current price $41.95

KOSO NORTH AMERICA Connecting Tube - Air Box - Honda Grom 125 04-21 DM640000

KOSO NORTH AMERICA
In stock

Our air box connecting tube has been developed to link the Koso 28 mm throttle body and the actual air box Fits Honda Grom® only, does not fit '22...

View full details
Original price $41.95 - Original price $41.95
Original price $41.95
$41.95
$41.95 - $41.95
Current price $41.95
Original price $64.95 - Original price $64.95
Original price $64.95
$64.95
$64.95 - $64.95
Current price $64.95

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

KOSO NORTH AMERICA
In stock

Easy adjustable screws, located on the back, lock the desired positioning securely into place Fits 7/8” to 1-1/4” handlebars Six-way adjustab...

View full details
Original price $64.95 - Original price $64.95
Original price $64.95
$64.95
$64.95 - $64.95
Current price $64.95
Original price $64.95 - Original price $64.95
Original price $64.95
$64.95
$64.95 - $64.95
Current price $64.95

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

KOSO NORTH AMERICA
In stock

Easy adjustable screws, located on the back, lock the desired positioning securely into place Fits 7/8” to 1-1/4” handlebars Six-way adjustab...

View full details
Original price $64.95 - Original price $64.95
Original price $64.95
$64.95
$64.95 - $64.95
Current price $64.95