

Wiseco 4 Stroke Piston Ring Set for Yamaha YZ250F / WR250F / Phazer - 77.00mm Bore - 7700XU
Wiseco Performance Piston Rings
- Performance Piston Rings
- Titanium Nitride coated for increased durability.
- These rings resist wear from the exhaust bridge and are designed for extreme racing conditions.
- These rings maintain their size and geometry for exceptional ring seal providing sustained peak performance in race applications.
- Compatible with Wiseco branded pistons ONLY!!!!
- Manufacturer in the USA
| Product Line | Wiseco Piston Rings |
| Part Number | 7700XU |
| Fitment Type | Model-Size-Specific Fitment |
| Use Type | Replaceent Part for Wiseco Aftermarket Piston Kit ONLY |
| Unit Sale Qty | Ring Kit for Single Piston |
| Style | |
| Position | |
| Material | |
| Finish | |
| Piston/Cylinder Size | 77.00mm |
| Piston Size Added | |
| Cylinder Stroke Volume | |
| Final Engine Displacement | |
| California Emissions | FALSE |
| Product Disclaimer | Compatible with Wiseco Pistons ONLY! Will not fit OEM or other brand aftermarket pistons |
| Fitment Note | |
| Fitment Note | |
| Fitment Note | |
| Fitment Note | |
| Fitment Note |
Original: $37.00
-65%$37.00
$12.95Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
Wiseco Performance Piston Rings
- Performance Piston Rings
- Titanium Nitride coated for increased durability.
- These rings resist wear from the exhaust bridge and are designed for extreme racing conditions.
- These rings maintain their size and geometry for exceptional ring seal providing sustained peak performance in race applications.
- Compatible with Wiseco branded pistons ONLY!!!!
- Manufacturer in the USA
| Product Line | Wiseco Piston Rings |
| Part Number | 7700XU |
| Fitment Type | Model-Size-Specific Fitment |
| Use Type | Replaceent Part for Wiseco Aftermarket Piston Kit ONLY |
| Unit Sale Qty | Ring Kit for Single Piston |
| Style | |
| Position | |
| Material | |
| Finish | |
| Piston/Cylinder Size | 77.00mm |
| Piston Size Added | |
| Cylinder Stroke Volume | |
| Final Engine Displacement | |
| California Emissions | FALSE |
| Product Disclaimer | Compatible with Wiseco Pistons ONLY! Will not fit OEM or other brand aftermarket pistons |
| Fitment Note | |
| Fitment Note | |
| Fitment Note | |
| Fitment Note | |
| Fitment Note |











