Cometic C9424-1 Valve Stem Seal for Motorcycle Engines

The Cometic C9424-1 is a premium valve stem seal engineered for long-term reliability in demanding motorcycle engine applications. This high-performance seal is designed to prevent oil from entering the combustion chamber through the valve guides, ensuring optimal engine performance and reduced oil consumption.

Construction and Materials:

• Manufactured from premium Viton rubber material for superior heat and fuel resistance
• Steel core construction provides excellent structural integrity and durability
• Fuel-resistant materials that will not creep, crack, or become brittle over time
• 0.625-inch outside diameter for precise fitment

Key Features:

• High-quality design for long-term reliability in street riding applications
• Engineered to withstand extreme temperatures and pressure cycles
• Precision-manufactured to OEM specifications
• Made in the U.S.A. for consistent quality control

This replacement valve guide seal is commonly used in Harley-Davidson V-Twin engines and other motorcycle applications. The Viton material offers exceptional resistance to engine oils, fuels, and high temperatures, making it an ideal choice for both stock and high-performance engine builds.