Wilcox Pop-in Valve Stem - Stems 50/PK 413 Series

Wilcox pop-in valve stems for V-twin motorcycles, sold in 50-packs for shops or multi-bike fleets. Built to OEM standards with rubber formulation that resists ozone damage and compression deterioration from heat, cold, and moisture.

Features

• OEM-grade rubber compound
• Resists ozone and UV deterioration
• Designed to handle compression stress from valve hole mounting
• 50-pack quantity for shops and fleets

Specifications

• Brand: Wilcox
• Manufacturer Part #: TR-413 50/PK
• Quantity: 50 stems per pack
• Length: 5.55 in
• Weight: 1.09 lbs
• Country of Origin: China (Mainland)

Fitment

Fits V-twin motorcycles including Harley-Davidson and Indian Motorcycle models using pop-in valve stem design.

Frequently Asked Questions

Why buy a 50-pack?

This quantity is ideal for repair shops, multi-bike owners, and riders who want spares on hand for future tire service.

Will these fit any V-twin motorcycle?

These are designed for V-twin pop-in valve stem applications. Verify your bike uses pop-in stems (not clip-in or screw-in style) before ordering.

What makes these better than cheaper valve stems?

Wilcox stems meet OEM standards and use a rubber compound engineered to resist ozone, UV, heat, cold, and compression damage at the valve hole.

Are these street-legal?

Yes — these are OEM-grade replacement stems suitable for any street or off-road V-twin motorcycle.