

PREMA PRE-PR-120 Radial Repair Unit, 5" x 3-1/4", 2-Ply, Box of 10
Professional Grade Radial Tire Repair Patch - PREMA PR-120 (5" x 3.25", Box of 10)
Heavy Duty 2-Ply Construction for Cars and Light Trucks
The PREMA PR-120 is a professional tire repair patch designed for radial tire repairs in automotive and light truck applications. This 2-ply patch measures 5" x 3.25" and provides reliable repairs for tire service professionals.
Key Features and Benefits
Perfect Applications
- Tire repair shops and automotive service centers.
- Fleet maintenance operations requiring reliable flat tire repair patch solutions.
- Mobile tire repair services needing professional-grade patches.
- Experienced DIY mechanics working on passenger vehicles and light trucks.
Technical Specifications
| Specification | Details |
|---|---|
| Brand | PREMA |
| Model | PR-120 |
| Type | Radial Tire Repair Patch |
| Dimensions | 5" x 3.25" (127mm x 83mm) |
| Construction | 2-Ply Reinforced |
| Quantity | 10 Patches per Box |
| Application Method | Cold or Hot Vulcanization |
| Compatibility | Radial Passenger and Light Truck Tires |
Installation Requirements
Surface preparation requires thorough cleaning and buffing of the damaged area. Apply vulcanizing cement evenly to both patch and tire surface. For cold applications, allow cement to become tacky before patch placement. Hot vulcanization requires heated press equipment.
Professional Tire Repair Results
Join tire professionals who trust PREMA patches for reliable repairs.
Order your PR-120 patches now for quality tire service.Frequently Asked Questions
How does this tire repair patch compare to tire plugs?
Unlike plugs that only fill the puncture hole, the PR-120 patch covers the entire damaged area from inside the tire, providing superior strength and preventing air leaks. Patches create a permanent seal across the damage zone while plugs simply fill the entry point. This makes patches the preferred method for professional tire repairs.
Can I use this patch on motorcycle or bicycle tires?
The PR-120 is designed specifically for automotive and light truck radial tires with its 5" x 3.25" dimensions. Motorcycle and bicycle tires require much smaller patches sized appropriately for their tire construction and rubber compounds. Using oversized patches on small tires can create handling issues and improper bonding that may lead to repair failure.
What vulcanizing cement works best with these patches?
For cold applications, use PREMA Ultra Fast Dry Vulcanizing Cement which bonds at room temperature without heat equipment. For hot vulcanization methods, use PREMA Black Vulc Cement for high-temperature applications. Both cement types are formulated specifically to bond with PR-120 patch materials, ensuring proper adhesion and long-lasting repairs that won't separate under road stress.
Are these patches suitable for sidewall repairs?
Yes, the PR-120 is designed for center-over-injury repairs in crown, shoulder, and sidewall areas of radial tires. However, sidewall repairs require special expertise due to extreme flex stress and should only be performed by qualified professionals with proper tools. Success depends on damage size, location, and tire age.
How long do these tire repair patches typically last?
When properly installed using appropriate vulcanizing cement, PREMA PR-120 patches provide permanent repairs that can last the remaining life of the tire under normal driving conditions. The reinforced 2-ply construction resists temperature changes, road flexing, and moisture exposure. Patch longevity depends on proper installation technique and tire condition.
About the Brand
