AS3 Performance silicone radiator hoses are crafted from top - notch silicone reinforced with polyester. This makes them far stronger, more durable, and less prone to punctures or damage compared to standard rubber hoses. Many of our sponsored teams and riders use these hose kits in various race scenarios. The hoses have a shiny finish with AS3 Performance branding.
**Compatibility**: Fits 2021 Rieju MR 300 Racing, Pro, and Ranger models (Thermostat Bypass Kit).
**Features**:
- Made of high - quality silicone with polyester reinforcement.
- All hoses in the kit are 2 - ply with a 3.5mm wall thickness.
- Pressure - tested up to 5 times the working pressure.
- Used by our sponsored mx and enduro riders at national and world levels.
- Designed solely for off - road and track use.
- Not approved for road or public highway use.
- Come with a 12 - month warranty from the purchase date.
- The hoses in the picture are exactly what you'll get.
These AS3 Performance silicone radiator hoses are for your 2021 Rieju MR 300. Here's how to use them: First, make sure your engine is cool. Then, carefully remove the old radiator hoses and replace them with these new ones. Ensure they fit snugly and there are no leaks.
When using, remember these hoses are only for off - road and track use. Don't use them on public roads. Also, keep in mind that they are pressure - tested, but don't subject them to extreme pressures beyond what's normal for your vehicle.
For maintenance, check the hoses regularly for any signs of wear, like cracks or bulges. If you notice any issues, replace the hoses right away. The hoses come with a 12 - month warranty, so if you have any problems during this period, contact us.
