Ensure effortless tire maintenance on dual wheels and heavy machinery with this premium, commercial-grade 4-inch metal straight valve extension. Built to withstand the harsh demands of the road, this extension eliminates the struggle of reaching deep-set inner dual tire valves, making tire pressure checks and inflation fast and stress-free.

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Key Features

• Built for Dual Wheels: Adds an effective 4-1/8 inches of reach, perfectly extending inner dual valves out to an accessible position for standard air chucks and gauges.
• Heavy-Duty Construction: Fabricated from premium, nickel-plated brass that resists corrosion, road salt, and weathering far better than brittle plastic alternatives.
• Secure Long-Collar Design: Features a 1-inch long collar that provides a stable, wobble-free connection to your existing valve stem.
• Universal Standard Fitment: Screws directly onto standard .305"-32 valve threads—no special adapters or professional tools required for installation.

Technical Specifications

• Total Length: 4-1/8" (approx. 4-inch effective extension)
• Collar Length: 1"
• Thread Size: .305"-32 (Standard tire valve threads)
• Material: Nickel-Plated Brass / Metal
• Maximum Pressure Rating: Up to 150 PSI
• Compatibility: Commercial trucks, RVs, motorhomes, buses, and heavy equipment with standard dual wheel setups. (Interchangeable with Schrader 4430 / Haltec HE-4430).

• Specifications