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 Ratio Piston (Part #4966M10000) is engineered to enhance the performance and reliability of your ATV. Crafted with precision, this piston offers a durable and high-quality solution for maintaining optimal engine function. Its design ensures a perfect fit for Yamaha models Raptor, Grizzly, and Rhino 660, providing an excellent upgrade for engine rebuilds or replacements.
Constructed from robust materials, this piston features a compression ratio of 9.9:1, delivering a balance of power and efficiency suitable for various riding conditions. The piston is designed to withstand the stresses of off-road use, offering longevity and consistent performance. Easy to install, it integrates seamlessly with existing engine components, ensuring a hassle-free maintenance process.
Whether you're restoring your ATV or upgrading for better performance, the WiseCo 4966M10000 piston ensures reliable operation and improved engine response. Trust in WiseCo’s quality craftsmanship to keep your Yamaha ATV running smoothly and efficiently for many rides to come.
Features:
- Designed for Yamaha Raptor, Grizzly, and Rhino 660 models
- 9.9:1 compression ratio for balanced power and efficiency
- Precision-engineered for durability and reliable performance
- Easy to install for hassle-free maintenance
- Constructed from high-quality materials to withstand off-road stresses
