(1) Tire Air Pressure Sensor TPMS Rubber Valve For GMC Envoy 2006-09 QQS-R-HoldenWMCaprice2007-2012-1 The staggered tread blocks also

The staggered tread blocks also maintain a clean footprint by cleaning out mud and snow and ejecting rocks stuck between the tread elements

such as cuts

while also preventing stone retention from harming the tire's casing

The tread pattern and the all season compound work together to increase the all weather traction

(1) Tire Air Pressure Sensor TPMS Rubber Valve For GMC Envoy 2006-09 QQS-R-HoldenWMCaprice2007-2012-1 The staggered tread blocks alsoTPMS QQS R QQS QQS R TPMS sensors offer a great deal of superior engineering & quality without compromise. These sensors come pre programmed specifically for your make model year of vehicle. You will however, need to be sure and follow the relearn procedure listed below. Without properly performing the relearn procedure, your vehicle will not properly sync up to your new sensors. If you are unable to find sensors specific to your vehicle, please send