Upgrade your tire maintenance efficiency with the Haltec HE-371 Straight Metal Valve Extension. Engineered specifically for commercial applications, this lightweight, high-performance extension makes checking and inflating inner dual tires quick and hassle-free. Crafted with an all-metal construction, it ensures maximum durability under harsh road conditions.
Featuring a 3/8-inch short collar, the HE-371 is designed to screw directly onto standard liquid or air valves without rubbing against the wheel hole, making it an ideal choice for compact or tightly spaced wheel configurations.

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Key Features & Technical Specifications

• Effective Length: 2-15/16" (approx. 3 inches) for easy accessibility to hard-to-reach inner dual wheels.
• Collar Configuration: 3/8" short collar prevents standard valve interference.
• Universal Compatibility: Suitable for use on both tube-type and tubeless commercial truck tire valves.
• Dual-Seal Engineering: Built with an integrated high-pressure double-seal design to prevent slow leaks and maintain stable tire pressure.
• Industry Standard Threading: Fits standard cap thread size (.305-32).
• Lightweight Build: All-metal structural integrity that won't add unnecessary weight or stress to your valve stem.

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Ideal Applications
Perfect for commercial trucks, RVs, buses, fleet vehicles, and heavy-duty trailers utilizing dual-wheel assemblies.

• Specifications