null
The STG Difference Free Domestic Shipping For Orders Over $99 Hassle Free Returns No Restocking Fees Price Match Guarantee Customer Rewards, Earn STG Cash

Koso Mini 3 Narrow Band Air/Fuel Ratio Meter

Click to see 1 more pictures
$254.95 $229.46
(You save $25.49)
STG SKU:
K|WP27-5789|0

Customer Service

  • 888.784.4327
  • Monday-Friday
  • 10am to 6pm EST
  • Saturday
  • Closed
  • Free Domestic Shipping for Orders over $99Any domestic order (lower 48 United States) over $99.00 ships for free! If your item isn't over $99 but your total cart value is, you'll qualify for free shipping as well! For more information on our Shipping Policies, click here.
  • Hassle Free Returns No Restocking FeesHere at STG we want any return or exchange to be quick and pain-free. You can contact anyone here to expedite your return or exchange and we'll make sure it's handled ASAP. For more information on our policies, click here.
  • Price Match GuaranteeFind a better price? If you have we will match it! Call us at 888.784.4327 or submit a request here and our team will make it happen. *Some exclusions may apply.

Frequently Bought Together

Please choose Options for all selected Products

  • Choose Options

Our new Mini 3 air/fuel ratio gauge was especially designed to help you tune your carbureted or fuel injected engine.

Features:

  • For 12 volt DC systems
  • Display range: 12.2 - 17.2 .01 increments
  • Includes oxygen sensor and weld-in bung
  • Dimensions: 60 mm x 30 mm x 11.5 mm