Innovative forging design and piston skirt provide maximum horsepower and torque.
Wiseco High-Performance piston kits are priced with piston, rings, pins and circlips (unless noted otherwise).
Oversize pistons require cylinder sleeving.
The WiseCo Yamaha Raptor, Grizzly, and Rhino 660 9.9:1 compression piston (Part #4966M10050) is engineered for optimal performance and durability. Crafted specifically for select Yamaha ATV models, this piston ensures reliable operation under demanding conditions. Its high-quality construction helps improve engine efficiency, power output, and longevity, making it a valuable component for rebuilds or upgrades.
Designed with precision, this piston features a robust build that withstands high temperatures and pressures typical in off-road riding. The enhanced compression ratio of 9.9:1 delivers increased power and acceleration, providing a more responsive riding experience. Easy to install, the piston is an essential part for maintaining your ATV's engine performance and ensuring smooth operation over time.
Whether you're restoring an aging engine or upgrading for better performance, the WiseCo piston offers a reliable solution. Its durable design and precise fit help maintain engine integrity and prevent wear and tear, reducing maintenance costs and downtime. Trust WiseCo's reputation for quality parts to keep your Yamaha ATV running at peak performance.
Features:
- Designed for Yamaha Raptor, Grizzly, and Rhino 660 models
- 9.9:1 compression ratio for enhanced power
- Constructed with durable materials to withstand high temperatures
- Engineered for easy installation and reliable fit
- Improves engine efficiency and longevity
