Metra Tire Double Seal Inflate Through Valve Stem Extension Caps, Inflate Thru Wheel Tire Cap, Semi Truck RV Bus Car (10 Pieces)
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<b>[Product Information]</b><br>
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<li>The original Metra Tire double seal valve stem caps designed for heavy duty and high efficiency use. Gauge and inflate valve extensions directly through the cap.</li>
<li>Inflate tires through these caps without unscrewing them. Save time and labor by eliminating the need to remove caps to check and inflate tire pressure.</li>
<li>Valve has two seals and is protected by a solid, all metal housing with a durable, high-temperature-resistant rubber o-ring inside. Safety feature causes seal to tighten to prevent air loss in case the valve fails.</li>
<li>Caps are grooved for use by various lock-on chucks and inflation devices. Grooves are threaded so you can even screw other caps onto them.</li>
<li>Hand tighten only. Length: 7/8". Seal rated for -40°F to 250°F.</li>
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