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 Number 4966M10200) is engineered to deliver optimal performance and durability for your ATV or side-by-side. Crafted from high-quality materials, this piston ensures reliable operation under demanding conditions, making it an excellent choice for both restoration and performance upgrades. Its precise design guarantees a perfect fit, contributing to the overall efficiency and power output of your vehicle's engine.
Designed specifically for Yamaha models such as the Raptor, Grizzly, and Rhino 660, this piston maintains the factory specifications to ensure compatibility and ease of installation. The 9.9:1 compression ratio enhances power output while maintaining engine reliability, providing a balanced combination of performance and longevity. Whether you're rebuilding your engine or upgrading for increased power, this piston offers the durability and precision needed for demanding off-road adventures.
Features include a robust construction that withstands high temperatures and pressures, ensuring consistent performance over time. The piston is easy to install with standard tools and is compatible with OEM components, making it a straightforward upgrade for your Yamaha ATV or side-by-side. Trust WiseCo’s expertise to keep your vehicle performing at its best with parts designed for quality and reliability.
Features:
- Engine Compatibility: Designed specifically for Yamaha Raptor, Grizzly, and Rhino 660 models
- Compression Ratio: 9.9:1 for enhanced power and efficiency
- Material: High-quality durable construction for reliable performance
- Design: Precise fit for optimal engine operation
- Application: Suitable for rebuilding or performance upgrades
