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.
Upgrade your Yamaha Raptor, Grizzly, or Rhino with the WiseCo 4966M10100 high-performance piston designed for optimal engine efficiency. Crafted specifically for models with a 9.9:1 compression ratio, this piston ensures reliable power delivery and durability under demanding conditions. Made from high-quality materials, it offers excellent resistance to wear and thermal stress, extending the engine's lifespan and maintaining peak performance. Whether you're restoring or upgrading, this piston is an essential component for maintaining proper engine compression and smooth operation. Its precise engineering guarantees a perfect fit and seamless integration into your existing engine setup, reducing the risk of mechanical issues and improving overall vehicle performance.
Features:
- Designed for Yamaha Raptor, Grizzly, and Rhino 660 models
- High-performance piston with 9.9:1 compression ratio
- Constructed from durable, high-quality materials for long-lasting wear resistance
- Engineered for optimal engine efficiency and power output
- Reliable fit for seamless installation and operation
