Orders Ship out Same Day + Free Shipping Over $200

Autometer Stack 52mm Pro-Control Wideband Air/Fuel Ratio (Lambda) Gauge - White

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SKU: ST3404

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Free Shipping $200+
Most orders ship same day
Hassle free returns


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Product Description
Stack Wideband Air-Fuel Ratio (Lambda) gauges are the ultimate tuning aid! Dimmable dual digital red numeric and multi-colour radial LED displays provide accurate real-time readout of either air/fuel ratio or lambda (user-selectable) in a format that is optimised for driver viewing. User adjustable scaling allows for tailored calibration for specialty fuel types and maximum display resolution per application. Inbuilt peak lean value recall and user programmable alarm setting enable quick data review and driver alerts. Inboard photo sensor provides automatic display intensity adjustment for varying ambient lighting conditions (manual driver control may be enabled via switch connection to the illumination wire on the loom). 0-5Volt analogue and serial data outputs may be connected to a data-logger, ECU or other device to provide real-time closed-loop feedback for improved mapping. Pro-Control output allows automatic control of other power systems based on specific Lambda conditions. Supplied complete with wiring harness and includes Bosch LSU4.9 sensor.

Orders ship the same business day
The vast majority of orders ship out the same business day they are placed. We strive to process and accurately ship all orders the same business day or within 24hrs Monday-Friday. Our distribution center is fully automated - once an order is placed it's immediately processed by the fulfillment center and is picked electronically for shipment within minutes. Our warehouses have thousands of products in stock ready to ship. Our system typically emails tracking numbers after the close of business each business day. While the vast majority of parts are available for immediate shipment, if for some reason your order will not ship right away you will be emailed promptly with an estimated ship date. You always have the option of canceling your order if you prefer not to wait if an item it's available for immediate shipment.
Free shipping
We offer speedy free shipping to the continental US for orders of $200 or more. For those customers placing orders of less than $200 we offer a standard flat rate fee of $9.99. Customers either pay $9.99 or nothing for shipping - no surprises at checkout! The majority of orders are delivered within 1-3 business days using the free shipping option, however some orders can take up to 5 business days depending on your location.
Speedy standard delivery
Our free standard delivery service is usually delivered to customers within 1-3 business days. The "Estimated Delivery By" date listed above is an estimate, not a guarantee. Due to the various warehouse locations around the country that we ship from, most customers receive their free shipping standard delivery orders within 1-3 business days. Depending on your location and the item purchased, delivery could take up to 5 business days though.
Billing and shipping addresses
This statement is only meant for customers paying using a credit or debit card. If you're using PayPal, Affirm, ApplePay, ShopPay Installments, etc. - no additional verification is necessary. It's best to use the billing address that's on file with the credit card company as the shipping address. We can ship orders to some shipping addresses that differ from the verified billing address. We realize some customers need orders shipped to their work address, college, or installation shop - these situations will result in minimal processing delays while we verify the information. However some orders that request shipping to an address other than the authorized credit card billing address may require additional verification and may be subject to processing delays. In an effort to protect the customer and our company from fraudulent transactions every order that is placed using a different shipping address will be looked at closely before the shipment is processed. If there is an unavoidable circumstance that requires an order be shipped to an address other than your billing address we will require customers to provide proof of credit card ownership. If your shipping address requires additional verification you will be emailed after placing the order.
Returns
Our return policy allows customers to return most orders within 30 days. Customers are responsible for any shipping fees associated with a return. For us to accept a return the item must be in 100% brand new condition without previously being installed, test fitted, or altered in any way. All returns must include an RMA (return merchandise authorization) number that will be issued via email by our service department when a return request is initiated by the customer. Refunds are usually processed within 2-5 business days after returns are delivered, minus the standard 10% restocking/packing fee. For more information about the terms and conditions which will govern your return and to obtain return instructions please refer to our return policy. Brands that are final sale and cannot be returned are - Eisenmann, Milltek, and Sprint Booster. The following products are subject to a 20% restocking fee - Racing Dynamics, Neuspeed, DDMWorks, CravenSpeed, iND Distribution, AutoTecknic (14 day return period for AutoTecknic).