According to the EPA, you can improve your car's gas mileage by more than 3 percent simply by keeping its tires inflated to the proper pressure. These pressure gauge valve caps constantly monitor your car's tire pressure. Available in 2 psi ratings: 32 ps
Spotlight customer reviews:
Customer Rating: Summary: Instant pressure intelligence Comment: Whenever I stick my key in the door lock, my eyes are drawn to the clear green ring on these gadgets. I've read that maintaining tire pressure's the easiest way to improve gas mileage. It makes me happy to know my tires' pressure's OK.
