Motorsport Radio, Helmet & Intercom Adapters
The right adapter makes the difference between a clean install and a compromised connection. Harris Race Radios® stocks a comprehensive range of motorsport communication adapters for NZ and AU competitors — covering helmet-to-radio, intercom, PTT, antenna, and aviation connections.
What's in this collection
- Helmet-to-radio coil cord adapter cables (Stilo, Bell, Roux, MSNZ, Peltor and more)
- Antenna and aerial adapters (SMA, BNC, UHF)
- Push-to-talk (PTT) adapter cables for 5-pin car harness systems
- Intercom-to-radio interface adapters
- Aviation headset adapters (GA, helicopter)
- USB-C and audio adapters for cameras and data devices
All adapters are stocked in New Zealand and ship fast nationwide and to Australia. Not sure which adapter you need? Contact our team — we'll match you to the right cable for your helmet and radio system.
Frequently Asked Questions
Which adapter connects a Stilo helmet to a Harris Race Radio system?
Stilo helmets use a specific 5-pin or 3.5mm jack connector depending on the model. Harris Race Radios® stocks dedicated Stilo-to-Harris adapter cables for WRC, ST5, ST6, and Trophy series helmets. Check the individual product listings or contact us to confirm the correct adapter for your specific Stilo helmet model and radio system.
What adapter do I need to connect a Nitro Bee receiver to my helmet?
The Rugged Radios Nitro Bee X has a 3.5mm Stereo female connector. To connect it to a helmet You need a Stilo, Harris/ Roux, or Peltor/ Bell adapter. Harris Race Radios® stocks the full range of Nitro Bee interface adapte, for both helmet and harness connections — compatible with Stilo, Bell, and standard offroad helmet plugs.
Can I use a Stilo helmet with a non-Stilo intercom system?
Yes — with the right adapter cable. Stilo helmets can be connected to most motorsport intercom and radio systems including Harris Race Radios®, MRTC, Autotel, Speedway, and GT receivers using the appropriate adapter. Browse the Stilo adapter cables in this collection or contact our team for a compatibility check.
Do you ship motorsport adapters to Australia?
Yes. All adapter cables in this collection are stocked in New Zealand and ship to Australia. Most orders are dispatched within 1–2 business days.