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Air/Fuel Ratio Monitor and Accessories

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ARM1 Air/Fuel Ratio Monitor Part # SPL-ARM1
The ARM1 is a miniature air/fuel ratio meter that features an ultra-bright, easy to read, five-color display. It may be used with the stock oxygen se... 
$139.00
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ARM1 Air/Fuel Ratio Monitor Kit Part # SPL-ARM1KIT
The ARM1 is a miniature air/fuel ratio meter that features an ultra-bright, easy to read, five-color display. It may be used with the stock oxygen se... 
$190.00
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Weld- On 18mm x 1.5 Oxygen Sensor Nut Part # PCA-63
18mm x 1.5 thread. For use with the RPW-9900 Oxygen sensor or RPW-107 Oxygen sensor plug. 
$4.99
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Oxygen Sensor Plug Part # RPW-107
If you need to remove your Oxygen Sensor after tuning, the RPW-107 plug screws directly into any 18mm x 1.5 oxygen sensor port. 
$4.99
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Hi-Res Oxygen Sensor Part # RPW-9900
The RPW-9900 O2 Sensor is the four wire sensor that provides a very accurate output voltage which is directly corrolated with air/fuel ratio. It is a... 
$69.99
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