Trailhead? Automatic Tire Deflators are for off roaders who want to ?air down? fast! ABSOLUTELY THE FASTEST WAY TO AIR DOWN! These Tire Deflators, deflate accurately and evenly in all four tires, to a user pre-set pressure in seconds - even while you?re driving. To use, simply screw on to valve stems and drive off. Two separate adjustment ranges are available: 5 PSI to 20 PSI. and 15 PSI to 40 PSI.
They come in colors; red, blue and bright aluminum. Specify range and color when purchasing.
The Trailhead Automatic Tire Deflator Kits includes: four screw-on anodized aluminum deflators, a high-quality pressure gauge, a slide-scale pressure chart, plastic coated (weather-proof) instructions and adjustment tool all in a handy zippered leather pouch that easily fits in glove box. The deflators come with a Lifetime Warranty.