Stilo Top Air System with adjustment for ST5/ST6 / large shell (smaller round connector)

The Stilo YA0858 Adjustable Top Air System is a genuine OEM forced-air ventilation accessory engineered specifically for Stilo ST5 and ST6 helmets utilizing large shell sizes. Featuring an integrated adjustable airflow valve and a compact round hose connector, this top air system allows drivers to precisely control incoming ventilation levels for optimal comfort and anti-fog performance during intense racing conditions.

Key Features

• Genuine OEM Accessory: Factory-original top air ventilation kit engineered to match the exact shell contours and curvature of Stilo ST5 and ST6 large shell helmets.
• Integrated Airflow Adjustment: Built-in regulatory valve gives the driver manual control over the volume of incoming air entering the helmet shell.
• Compact Round Connector: Equipped with a smaller round hose connection compatible with specific professional forced-air blower systems and supply tubing.
• Enhanced Cooling & Anti-Fog: Directs a steady stream of fresh air across the crown and inner visor to prevent misting and reduce heat buildup on track.

Product Specifications

• Application: Stilo ST5 & ST6 Helmet Series (Large Shell Size)
• Part Number: YA0858
• Connector Type: Smaller Round Hose Connector
• Key Feature: Adjustable Airflow Valve
• Component Type: Top Air Ventilation System