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0.60 LBS
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The most affordable motorsport quality display of its size

The SDM-300® holds a vivid, high-brightness 4.3" TFT display, which combined with the Quick-Glance™ UI allows for the best viewing ergonomics and minimal driver distraction. Including a fully configurable CAN BUS, 20 pre-loaded Smart Alarms, Auto display page changing, a permanent engine log, and much more. This revolutionary system can also be configured on the fly, without the need for a laptop, via a jog dial and a back button. Constructed out of fully Anodized Aluminum, and featuring 8 Math channels, 1 CAN BUS and 1 RS232 ports for connectivity, the SDM 300® is an exceptional display that outdoes the competition. Available optional I/O multipurpose inputs and aux. outputs. (Note: These optional I/Os can be added to your current SDM-300, to update its performance and connectivity capabilities)

4.3" Ultra-vivid Display

Features a very bright, 1000 cd/m2 480x272 TFT display, viewable in all light conditions.

Smart Alarms / Warnings

Easy to set-up pre-loaded alarms feature a history of the last 100 kept in memory, with details on duration, value, and time for each.

Permanent Engine Log

Continuous independent log of key engine parameters with min. & max. values and histograms.

Quick-Glance UI™

Optimized viewing ergonomics minimize distraction & convey engine status with just a glance. 

Fully Configurable CAN Bus

Pro-level CAN BUS configuration for both receiving and transmitting messages.

Dashboard Friendly

Uniquely shallow total installation depth of just 19mm. No protruding wires or connectors. 

Auto Page Changing

Hands-free display page changing based on user defined conditions or engine events.

Up to 256 Data Channels 

Display up to 256 data channels: ECU, OBDII and internally calculated parameters.

Different Color Themes

4x selectable color themes that optimize viewing ability in different light conditions, including daylight mode. Up to 24 pages with 18 different layouts can be used. 


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Shipping & Returns

Returns Policy
If you are not satisfied with any purchase made with Ace Performance, notify us within thirty-six (36) hours of receiving the package. Items may only be returned if they differ from what you ordered (ie. we shipped the wrong part to you) or you suspect there may be a defect with an item. Fitment issues (ie. you ordered the wrong part) are not a valid reason to return an item, and no refund requests due to fitment issues will be honored. To return an item incorrectly shipped to you, or that you believe to be defective, you must obtain a Return Merchandise Authorization Number (RMA #). The goods must be returned within ten (10) days in the same condition and in the original packaging. If the merchandise is damaged, or not in the original packaging, or no valid RMA # appears on the outside packaging, no refund will be forthcoming and you own the original purchase. The customer will be responsible for all shipping charges.

Electronic items are subject to engineering inspection prior to a refund being issued. All electronic items are carefully tested and inspected prior to sale. All items sold by Ace Performance are new unless otherwise specified.

If you believe a product you receive from Ace Performance has any defect, please contact us immediately. In the unlikely event that any issue should arise with your purchase, we are very motivated to locate and resolve the cause of the problem. If a manufacturing problem has occurred, we will investigate the part once it is returned to us, and then check with the manufacturer. If a defect is determined, the defective part will be replaced at no additional cost to you, or if you prefer, we will provide a full refund.

We ship throughout the US. Note that there are restrictions on some products, and some products cannot be shipped.

When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.

Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.