Wiseco Yamaha Raptor, Grizzly, Rhino 660 9.9:1 Compression Ratio Piston (Part #4966M10000)

Forged from high-silicon aluminum alloy for maximum strength and dependability.

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 piston (Part #4966M10000) is engineered to deliver reliable performance and durability for your ATV. Crafted with precision, this piston is designed to fit Yamaha models with a 660cc engine, ensuring optimal compatibility and efficient operation. Its high-quality construction helps maintain compression and improve engine responsiveness, making it an essential component for both repair and performance upgrades. The piston’s robust design minimizes wear and tear, extending the lifespan of your engine under demanding riding conditions.

This piston features a compression ratio of 9.9:1, which balances power and fuel efficiency effectively. Its dimensions are optimized for a precise fit, providing a seamless upgrade or replacement part. Easy to install, the Wiseco piston ensures a secure fit within the engine assembly. The product is manufactured to meet or exceed OEM standards, assuring you of dependable quality and performance. Whether you’re rebuilding your ATV or enhancing its performance, this piston offers a reliable solution that contributes to smoother operation and sustained engine health.

Constructed from durable materials, this piston is suitable for off-road adventures, recreational riding, and demanding terrain. Its design promotes efficient combustion and helps maintain engine stability during high-performance activities. Trust Wiseco to deliver a piston that combines precision engineering with long-lasting durability, helping you get the most out of your Yamaha ATV.

Features:

• Designed for Yamaha Raptor, Grizzly, and Rhino 660 models with 9.9:1 compression ratio

• High-quality construction for durability and reliable performance

• Optimized dimensions for a precise fit and easy installation

• Engineered to maintain compression and enhance engine responsiveness

• Suitable for off-road and high-performance riding conditions