The Haltec WH-300-J-657 is a premium, heavy-duty large bore single bend swivel valve stem engineered for demanding commercial and industrial applications. Constructed from high-grade brass, this 4-inch valve stem provides maximum durability and reliability for commercial trucks, buses, RVs, and heavy construction equipment. Its built-in 360-degree rotation swivel mechanism allows for effortless alignment and service access in tight, complex dual-wheel configurations.

Key Features

• Heavy-Duty Construction: Forged from high-quality brass to withstand harsh road conditions, high pressures, and extreme environments.
• 360° Swivel Design: Allows the valve stem to rotate freely during installation for perfect positioning and easy tire inflation access.
• Optimized Clearance: Features an 80-degree single bend to navigate restricted wheel wells and compact hub layouts seamlessly.
• Industry Standard Compatibility: Fully interchangeable with major OEM and aftermarket part numbers.

Technical Specifications

• Brand: Haltec
• Part Number: WH-300-J-657 (Alternate ID: HALWH-300-J-657)
• Horizontal Length: 4.00 inches (approx. 101.6 mm)
• Vertical Height: 1-5/64 inches (27.4 mm)
• Bend Angle: 80° Single Bend
• Bore Type: Large Bore
• Material: Heavy-Duty Brass

• Specifications