When you keep your tires properly inflated, you'll improve handling, fuel economy, and their overall life of, but messing around with tire pressure gauges can be a hassle. A simple and easy to use solution is to just install these cool new QuikCheks. These handy tire pressure readout gauges screw directly onto the valve stems of your car, truck, or motorcycle's tires to provide a dependable psi reading with just a push of a button. If the line turns green, you're good to go, but if they show orange or red, you may be over- or under-inflated. They come in a set of four and work with any tires with 20-44 psi of pressure.
QuikChek - Tire Pressure Readout Gauges