SPI SM-09660 Power Valve for Arctic Cat Snowmobiles

The SPI SM-09660 is an OEM-quality replacement power valve designed for select Arctic Cat snowmobiles. This exhaust power valve is a critical component in 2-stroke engines, controlling exhaust port timing to optimize performance across the entire RPM range.

Key Features:

• Direct OEM replacement for Arctic Cat snowmobiles
• Precision-engineered to meet or exceed OEM specifications
• Controls exhaust port height and width based on engine RPM
• Improves low-end torque and broadens power band
• Manufactured by Sports Parts Inc. using quality materials
• Ensures proper combustion efficiency throughout the RPM range

Power valves are located at the engine's exhaust port and must be maintained regularly for peak performance. This replacement valve restores proper engine operation when the original valve becomes worn or carbon-fouled. Sold individually.