i raised this b/c i had new tires/rim installed this pass summer , and dang installer used cheapo valves rated at 65 psi...
my pressure were 80 psi, in rear, and i see the rubber showing cracks,
here are some nice ones that i ordered, they were stamped "germany"
http://www.myerstiresupply.com/pls/myer ... d=bioi0805
High Pressure Snap-In Valves
Ideal for light trucks. Maximum Air Pressure 100 psi. Fits rim hole .453". Caution: for maximum thickness of .205" (13/64")
$25.00 Minimum Order Total