
KEX KEX-331 2-1/4" x 1/4" Bowtie 5-Ply Insert Repair, Orange, 50/Box
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Professional Tire Repair Inserts - KEX Bowtie 5-Ply Tubeless Repair (KEX-331, 50 Pack)
Tire Repair Inserts for Tubeless Punctures — Permanent Vulcanizing Solution
KEX tire repair inserts provide permanent vulcanizing repairs for nail holes and small punctures in all tubeless tires. These bowtie inserts bond chemically with tire rubber and come 50 pieces per box for emergency roadside repairs, shop operations, and fleet maintenance.
Key Benefits for Professional Tire Repairs
Permanent Chemical Bond - Vulcanizing formula creates a molecular bond with tire rubber that becomes part of the tire structure, not just a temporary plug that can fail under pressure.
5-Ply Reinforced Construction - Multi-layer bowtie design provides enhanced strength and puncture resistance for repair site durability.
Universal Tubeless Compatibility - Works on passenger cars, light trucks, motorcycles, and commercial vehicle tires without size restrictions, making it suitable for diverse vehicle fleets.
Perfect for These Tire Repair Applications
These tubeless tire repair inserts are ideal when you need:
- Emergency roadside tire repairs for nail holes and small punctures.
- Professional auto shop repairs that meet industry safety standards.
- Fleet maintenance operations requiring bulk tire repair supplies.
- DIY tire repair kits for personal vehicle maintenance.
- Motorcycle and ATV tire puncture repairs in the field.
Technical Specifications
| Product Model | KEX-331 |
|---|---|
| Dimensions | 2-1/4" x 1/4" (57mm x 6mm) |
| Construction | 5-Ply Reinforced |
| Design | Bowtie Shape |
| Color | Orange |
| Quantity | 50 Pieces per Box |
| Compatible Tires | All Tubeless Radial and Bias Ply |
Installation Instructions
- Clean the puncture area thoroughly and remove any debris from the hole.
- Use a tire repair insertion tool to prepare and clean the puncture channel.
- Apply KX-511F vulcanizing cement around the insert and inside the puncture.
- Insert the bowtie repair plug using the insertion tool until seated properly.
- Trim excess material flush with the tire surface using a sharp blade.
- Allow vulcanizing cement to cure according to manufacturer instructions.
Stock Up on Tire Repair Inserts Today
Get reliable tire repair results for your shop, garage, or emergency kit — order your KEX-331 tire repair kit and keep vehicles running safely!
Frequently Asked Questions
How does this compare to standard tire repair plugs?
KEX-331 inserts use 5-ply construction versus single-layer standard plugs, providing enhanced durability. The bowtie design creates improved sealing compared to basic string plugs, and the vulcanizing formula chemically bonds with tire rubber for permanent repairs rather than mechanical plugging that can work loose over time.
Do I need special tools to install these tire repair inserts?
Yes, proper installation requires a tire insertion tool with needle-eye design and KX-511F vulcanizing cement. These specialized tools ensure the insert seats correctly in the puncture and creates the necessary chemical bond with tire rubber for a permanent, reliable repair that won't fail.
Will these work on high-speed rated tires?
KEX tire repair inserts are compatible with all tubeless tire speed ratings when properly installed with vulcanizing cement and insertion tools. Always follow tire manufacturer guidelines for repairs and consider professional inspection for high-performance or racing applications where maximum safety is critical.
How long do tire insert repairs typically last?
When installed correctly with vulcanizing cement, these tire repairs become permanent parts of the tire structure and typically last the remaining life of the tire. The 5-ply construction and chemical bonding process ensure long-term reliability under normal driving conditions and regular tire pressures.
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