You use this gauge more than any other in your dashboard. Driving without out would be senseless. But it is not always perfectly accurate. That is why you need and Autometer Speed Sender attached to your speedometer. Being off by just a few miles per hour is the difference between getting home on time or getting a speeding ticket. The Autometer Speed Sender is perfect for anyone who has a high performance engine under the hood. Easy to install. An Autometer Speed Sender comes with everything you need to make installation as easy as can be. No special tools are needed. An Autometer Speed Sender is only start. Make driving more fun by giving your dashboard the look and feel of a NASCAR racer or a Formula One car. Keep an eye on your performance and really know those essential speed times. See your precise speed as you bet onto the highway. Clock your acceleration. Put the fun back into your driving. You use your speedometer all the time. Make sure that it is a accurate as can be. Stick with Autometer. That is the name pros have been trusting for years. Shoppers certainly deserve outstanding support and help when they buy good quality auto parts from us. That's why we make available a 24/7 customer assistance desk to help you with your calls. To make a good deal even better, there is always completely free shipping for all orders $50 and up. If you can find a better price, let us know - we will meet or beat any legitimate auto part price.