Stilo YA0856 / YA0857 Top Air Intake for ST4, ST5 & ST6 Helmets

Genuine Stilo top air intake for ST4, ST5 and ST6 full-face helmets. Choose the airflow setup that suits your cockpit: With Regulation gives you control over where the air is directed, while Without Regulation provides a fixed intake path.

Choose your variant

• With Regulation — YA0856: adjustable airflow direction for driver breathing or forehead cooling.
• Without Regulation — YA0857: fixed airflow path for a simpler installation.

Fitment

Designed for Stilo ST4, ST5 and ST6 full-face helmets with the compatible top-air mounting position. It is intended for motorsport forced-air ventilation in hot, dusty or fume-prone cockpit conditions. Check the helmet shell and visor configuration before fitting.

What is included

• Selected Stilo top air intake variant
• Fixing tape for a removable installation

The helmet, air pumper, supply hose and quick-release connector are not included. For a magnetic hose connection, pair the intake with the Maglock helmet and air hose connector kit. Browse the Stilo Hydration & Top Air collection for compatible air-system components.

Installation guidance

Position the intake so the supply hose has a clean route and does not interfere with the visor, FHR device or driver movement. Use the supplied fixing tape as directed, then check the seal and airflow before competition use. If your helmet or hose connection is unusual, contact Harris Race Radios before ordering.

Why buy from Harris Race Radios?

Harris Race Radios is the most experienced Stilo specialist in NZ & AU, with genuine Stilo stock sourced directly through Stilo's supply chain and practical motorsport communications and helmet-fitment experience.

Frequently asked questions

Which helmets fit the Stilo YA0856 and YA0857 top air intakes?

They are designed for compatible Stilo ST4, ST5 and ST6 full-face helmets. Confirm the shell and top-air mounting configuration before fitting.

What is the difference between the regulated and non-regulated versions?

YA0856 includes airflow regulation so the driver can direct airflow for breathing or cooling. YA0857 uses a fixed airflow path.

Do these variants include an air pump or hose?

No. The intake component and fixing tape are supplied, while the helmet, air pumper, supply hose and separate quick-release connector are additional equipment.

Can I use a Maglock connection?

Yes, use the appropriate Maglock helmet and air-hose connector components for your hose-side setup. Contact us if you are unsure which coupling you need.