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KOSO North America  
Koso Replacement Parts & Accessories
 *Koso Accessories Suggested
$79.95
Your Price
$69.95



Bosch Wideband Oxygen Sensor for Koso Instruments
 KNA-28-Bosch Suggested
$99.95
Your Price
$99.95



Koso Mini LCD Water Temperature Gauge

ON SALE

 KNA-BA003035 Suggested
$89.95
Your Price
$69.95



Tachometer Adapter / RPM Signal Adapter (GMR)
 KNA-BA004000 Suggested
$49.95
Your Price
$34.95



KOSO Single Digital EGT w/ Avenger Probe

ON SALE 10% Off

 KNA-BA004065 Suggested
$209.95
Your Price
$179.95



KOSO Single Digital EGT w/ Stinger Probe

ON SALE 10% Off

 KNA-BA004065X Suggested
$229.95
Your Price
$199.95



Koso Wideband Air/Fuel Ratio Gauge

ON SALE TILL 11/30/13 10% Off

 KNA-BA004068 Suggested
$339.95
Your Price
$295.95



Dual EGT w/ RPM & Water Temperature w/ Avenger Probes

ON SALE 10% Off

 KNA-BA006B00 Suggested
$399.95
Your Price
$359.95



Dual EGT w/ RPM & Water Temperature w/ Stinger Probes

ON SALE 10% Off

 KNA-BA006B00X Suggested
$439.95
Your Price
$379.95



KOSO Dual Digital EGT w/ Avenger Probes

ON SALE 10% Off

 KNA-BA006B61 Suggested
$319.95
Your Price
$279.95



KOSO Dual Digital EGT w/ Stinger Probes

ON SALE 10% Off

 KNA-BA006B61X Suggested
$359.95
Your Price
$299.95



Koso RX2-NR GP-Style Race Tachometer

ON SALE TILL 11/30/13 10% Off

 KNA-BA015000 Suggested
$199.95
Your Price
$159.95



Koso RX-2NS GP-Style Recording Tachometer

ON SALE TILL 11/30/13 10% Off

 KNA-BA015400 Suggested
$359.95
Your Price
$307.75



RX-2N GP STYLE SPEEDOMETER w/ (0-10000 RPM)

ON SALE TILL 11/30/13 10% Off

 KNA-BA015B15 Suggested
$439.95
Your Price
$359.95



RX-2N GP STYLE SPEEDOMETER W/ (0-20000 RPM)

ON SALE TILL 11/30/13 10% Off

 KNA-BA015B25 Suggested
$439.95
Your Price
$359.95



Koso O2 sensor Weld Bung only
 KNA-BG001800 Suggested
$9.95
Your Price
$9.95



Koso O2 sensor Plug/Cap only
 KNA-BG001801 Suggested
$7.95
Your Price
$7.95



Koso O2 Adapter for 2 stoke engines
 KNA-BG001855 Suggested
$59.95
Your Price
$39.95



Koso Water Temperature Gauge Sensor Adapter 1/2ID or 14mm
 KNA-BG014B01 Suggested
$26.95
Your Price
$26.95



Koso Water Temperature Gauge Sensor Adapter 5/8ID or 16mm
 KNA-BG016B01 Suggested
$28.95
Your Price
$28.95



Koso Water Temperature Gauge Sensor Adapter 3/4ID or 18mm
 KNA-BG018B01 Suggested
$29.95
Your Price
$29.95



Koso Water Temperature Gauge Sensor Adapter 7/8ID or 22mm
 KNA-BG022B01 Suggested
$33.95
Your Price
$33.95



Koso Water Temperature Gauge Sensor Adapter 1.0ID or 26mm
 KNA-BG026B01 Suggested
$36.95
Your Price
$36.95



Koso EGT Probe Mounting Clamp 40-60mm
 KNA-BI520001 Suggested
$11.95
Your Price
$11.00



Koso EGT Probe Mounting Clamp 60-80mm
 KNA-BI520002 Suggested
$11.95
Your Price
$11.50



Remote Handlebar switch for RX-2NS Tachometers
 KNA-BO020010 Suggested
$21.95
Your Price
$19.95



Water Temperature Sensor for Koso Mini
 KNA-XS550BF004 Suggested
$24.95
Your Price
$19.95



Koso Air/Fuel Ratio Gauge's

ON SALE TILL 11/30/13 10% Off

 Koso A/F Group Suggested
$339.95
Your Price
$295.95



Koso Exhaust Temperature Gauge's

ON SALE 10% Off

 Koso EGT Group Suggested
$359.95
Your Price
$279.95



Koso Tachometers Gauges

ON SALE TILL 11/30/13 10% Off

 Koso Tachometers Group Suggested
$199.95
Your Price
$169.95



Koso Water Temperature Gauge's

ON SALE TILL 11/30/13 10% Off

 Koso Water Temp Group Suggested
$89.95
Your Price
$71.95




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