Simplify your tire maintenance with the Haltec HE-391 straight truck valve extension. Engineered to bridge the gap on hard-to-reach inner dual wheels and deep truck rims, this extension brings the valve mouth forward for effortless air pressure checks and inflation.
Built from lightweight yet highly durable materials, the HE-391 ensures reliable performance without adding unnecessary weight to your wheel assembly. It features a 1-inch long collar for a secure, stable fit and a built-in double-seal system that guarantees a tight, leak-free connection.

Why You’ll Love It

• Ultimate Accessibility: Solves the headache of servicing hard-to-reach inner dual tires on trucks, RVs, and commercial vehicles.
• Leak-Free Reliability: The integrated double-seal feature stops air loss before it starts.
• Universal Fit: Standard cap threads (.305-32) fit perfectly with your existing air chucks and pressure gauges.
• Versatile Application: Fully compatible with both tube-type and tubeless commercial truck valve stems.

Technical Specifications

• Effective Length: 2-15/16 inches
• Collar Length: 1-inch (Long)
• Configuration: Straight
• Thread Size: .305-32 (Standard tire valve thread)
• Cross-Reference Numbers: Ascot #468-00391, Borg #HAHE391

• Specifications