HOLIDAY SCHEDULE: We'll be closing early at 3:00 PM PST on Dec. 24 and will be closed on Dec. 25–26 in observance of Christmas. Wishing everyone a safe, happy, and wonderful holiday!
Koso's high performance ignition coils are designed using the most advanced materials on the market today. The stronger spark generated by the Koso ignition coil results in more horsepower, smoother...
Koso XR-01S Multifunction Electronic Universal Speedometer Computer GaugeXR-01S SpeedometerThinner and lighter than its previous version, the XR‑SA, our innovative XR-01S Speedometer features most importantly a larger, higher quality, and easy...
Koso GY6 Super Flow Oil Pump 125/150ccKoso GY6 Super Flow Oil Pump 125/150ccKoso’s High-Flow Oil Pump for 125/150cc GY6 engines is strongly recommended for those who upgraded their engine with...
Koso Super Slim Volt Meter will help you monitor your charging system! Universal fit! Since the size is so small, you could put it anywhere you desire! Compact, easy-to-read LCD...
Koso Unlimited LED slim turn signal lights are very bright! A perfect replacement over the huge bulky OEM turn signals without hindering the visibility.Koso’s Unlimited LED indicator lights use 5...
KOSO RX-3 TFT UNIVERSAL MULTI-FUNCTION METER GAUGE! Compact, lightweight, and easy to operate, this modern meter offers a clean and simple design. This universal gauge can be used for any...
Koso DB-03R Universal Mini Digital Speedometer Gauge Kit The DB-03R Multifunction is the perfect fit for any street bike. Its blue, orange and purple changeable backlight makes it very...
Koso DB-01RN Multifunction Electronic Universal Speedometer Computer Gauge DB-01RN Multifunction Meter The DB‑01RN multifunction meter is a true complete meter. Designed to look great on any type of bike, its...
Big things come in small packages. The Koso Nano LED series does not disappoint. These pea sized LED indicators are available as turn signals, brake light or a dual function...
Koso DL-03A Air/Fuel Wideband Gauge Meter12 Ft Cable.Koso DL-03A | Air/Fuel ratio & RPM data loggerThe DL-03A is the newest addition into our lineup of multifunction meters which features air...
