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New products
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SUPER LITE BRAKE ROTOR 2018+ ARCTIC CAT MOUNTAIN
Check our lightweight brake rotor for the 2018 and newer Arctic Cat...
$169.95 -
STAINLESS PIPE FOR POLARIS AXYS 800 2018-2020
ON SALE!!!! $50 OFF!!! ONLY $399!!!! Our PRO-LITE pipe really cranks...
$399.00 -
ZBROZ Polaris AXYS RMK Pivot Bushing Kit (2019-2020)
Zbroz Racing’s precision injection molded Pivot Bushings are a simple...
$49.00 -
ZBROZ 36" Polaris Pro RMK A-Arm Kit 2011-2015
Don’t let a broken OEM A-Arm end your perfect blue bird steep and deep...
$735.00 -
MXZ QUICK SHIFT 2008-2020
If you have a Ski Doo MXZ, MXZ-X, TNT, Blizzard, 600, 800, 850, any...
$39.95 -
SUMMIT QUICK SHIFT 2008-2020
If you have a Ski Doo Summit, Freeride, XP, XM, T3, G4, any long track...
$39.95 -
V FORCE REEDS ARCTIC CAT CTEC 800
V FORCE REEDS FOR THE ARCTIC CAT MADE 3 HP PEAK AND 4 IN THE MID RANGE...
$258.00 -
BILLET BRAKE LEVER ARCTIC CAT/YAMAHA 2019-2020
Check out our Billet Brake Levers for the New Arctic Cat and Yamaha...
$69.95
KOSO DIGITAL GAUGES There are 17 products.
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Koso Wideband Air/Fuel Ratio Gauge Koso Wideband Air/Fuel Ratio Gauge
This nice back lit Wideband Air/Fuel Ratio Gauge will give you precise information on your engine. This will help you determine if your engine is running rich or lean. Very good engine tuning tool. ON SALE!! SAVE 30!! This nice back lit Wideband Air/Fuel...
$309.95
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Koso Dual EGT Gauge Koso Dual EGT Gauge
This nice dual exhaust temperature gauge will give you precious informations on your engine. The settable warning for each cylinder give the opportunity to set the maximum temperature to reach at up to 2100°F. The color change and the blinking of the screen makes it very easy to see if something is going wrong with the engine. ON SALE NOW!! SAVE $30!! This nice dual exhaust temperature...
$289.95
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KOSO Dual EGT Gauge - Fast Sensors KOSO Dual EGT Gauge - Fast Sensors
This nice dual exhaust temperature gauge will give you precious informations on your engine.The settable warning for each cylinder give the opportunity to set the maximum temperature to reach at up to 2100°F. The color change and the blinking of the screen makes it very easy to see if something is going wrong with the engine. ON SALE NOW!! SAVE $35!! This nice dual exhaust temperature...
$334.95
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Weld-on Bushing for EGT Sensors Weld-on Bushing for EGT Sensors
WELD ON BUSHING FOR EGT SENSORS WELD ON BUSHING FOR EGT SENSORS
$21.95
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O2 Sensor Adaptor - For 2 Stroke Engines O2 Sensor Adaptor - For 2 Stroke Engines
TWO STROKE PIPE SENSOR ADAPTOR, for wide band 02 sensors when used on 2 stoke engines. Extends the life of the sensor and prevents premature failure. TWO STROKE PIPE SENSOR ADAPTOR, for...
$39.95
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Koso EGT-02R Dual EGT meter with Water... Koso EGT-02R Dual EGT meter with Water...
Continuing on with the evolution of our dual EGT meter, Koso is proud to offer the dual EGT-02R. It features EGT, RPM and Water temperature datas. This meter allows you to tune the engine more precisely. It can even prevent engine damage. The settable warning and maximum recall functions for both EGT’s, RPM and water temperature are easy to use. ON... Continuing on with the evolution of...
$359.95
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Koso EGT-02R Dual EGT meter with Water... Koso EGT-02R Dual EGT meter with Water...
Continuing on with the evolution of our dual EGT meter, Koso is proud to offer the dual EGT-02R. It features EGT, RPM and Water temperature datas. This meter allows you to tune the engine more precisely. It can even prevent engine damage. The settable warning and maximum recall functions for both Fast Response EGT’s, RPM and water temperature are easy to... Continuing on with the evolution of...
$399.95
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X-2 Boost Gauge with Wideband Air/fuel... X-2 Boost Gauge with Wideband Air/fuel...
This X-2 Boost Gauge is a great tool for all horsepower enthusiast that are upgrading their engine with Turbo or Supercharger. Following many requests, we came up with a unit that combines Boost, air/fuel ratio and a temperature function who can be installed on the cooling system or the intercooler. This gauge is made to resist cold temperature, water or... This X-2 Boost Gauge is a great tool...
$449.95
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X1 BOOST GAUGE KOSO X1 BOOST GAUGE KOSO
Today many horsepower enthusiasts are upgrading their engine with Turbo or Supercharger. For this reason we came up with this basic X-1 Boost Gauge with warning and peak functions. Made to resist cold temperature water or dust the X-1 Boost Gauge can be adapted to any engine with turbo or supercharger. ON SALE NOW!! SAVE $20!! Today many horsepower enthusiasts are...
$174.95
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MINI STYLE THERMOMETER - KOSO MINI STYLE THERMOMETER - KOSO
Mini Style Thermometer This Mini Style Backlighted LCD Thermometer will give critical informations on the engine temperature. Its small size makes it easy to install. The changeable internal battery allows to install it on any vehicle Mini Style Thermometer This Mini...
$79.95
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Mini 3 Air/Fuel Ratio Meter – Narrow Band Mini 3 Air/Fuel Ratio Meter – Narrow Band
ON SALE NOW! SAVE $20! Our Mini 3 Air/Fuel Ratio Meter is especially designed to help you tune your carbureted or fuel injected engine. * * * Compatible with 4 stroke engines only * * * ON SALE NOW! SAVE $20! Our Mini 3...
$209.95
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EGT-01 Single EGT meter - Koso EGT-01 Single EGT meter - Koso
This nice backlighted EGT-01 Single EGT meter will give you precious information on your engine. It will allow you to tune your engine more precisely. Its warning could even save your engine from failure! Backlit so you can see easily, and high limits can be set at a preset temp so that it backlights RED to notify you easily before engine failure could... This nice backlighted EGT-01 Single...
$189.95
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EGT-01 Single EGT meter with Fast... EGT-01 Single EGT meter with Fast...
This nice backlighted EGT-01 Single EGT meter will give you precious information on your engine. It will allow you to tune your engine more precisely. Its warning could even save your engine from failure! Backlit so you can see easily, and high limits can be set at a preset temp so that it backlights RED to notify you easily before engine failure could... This nice backlighted EGT-01 Single...
$209.95
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A/F Ratio Sensor – Wideband Bosch LSU 4.2... A/F Ratio Sensor – Wideband Bosch LSU 4.2...
A/F Ratio Sensor – Wideband Bosch LSU 4.2 Lambda Replacement A/F Ratio sensor is a wide band BOSCH oxygen sensor that fits on the X-2 Boost Gauge with Wideband Air/fuel Ratio & Temperature, and the Wideband Air/Fuel Gauge. A/F Ratio Sensor – Wideband Bosch LSU...
$99.95
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NARROW BAND 02 SENSOR FOR KOSO GAUGE NARROW BAND 02 SENSOR FOR KOSO GAUGE
Replacement 02 sensor for Narrowband KOSO gauge. Replacement 02 sensor for Narrowband...
$84.95
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EGT Sensor (Clamp Included) KOSO EGT Sensor (Clamp Included) KOSO
Replacement EGT Sensor (Clamp Included) Standard (28-CKTYPE9) or Fast Response (28-CKTYPEX) sensor available. Clamp size : 40-60mm Replacement EGT Sensor (Clamp...
$79.95
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COOLANT HOSE ADAPTER COOLANT HOSE ADAPTER
Use this hose adapter when adding a temp sensor to your machine. Just pick out the correct inside diameter of the coolant hose that you will be adding the adaptor to. The Koso sensor threads right into the adaptor for a easy and clean installation. Use this hose adapter when adding a...
$26.95
