FIA Racing Harnesses: FHR (HANS) vs. 3-Inch Harnesses – Which One Should You Choose?

Safety is always the number one priority in motorsport. One of the most critical safety components in any race or rally car is a FIA-approved racing harness. But which type is right for your application? Should you choose an FHR (HANS-compatible) harness, or a traditional 3-inch wide racing harness?

In this blog, we explain the differences, advantages, and disadvantages of both systems to help you make the right choice.

What Are FIA-Approved Racing Harnesses?

FIA racing harnesses are designed and tested to meet strict safety standards for strength, durability, and performance. They are mandatory in most forms of motorsport, including circuit racing, rally, and many regulated track events.

Key features of FIA racing harnesses:

• Tested to withstand extreme impact loads

• FIA label with homologation expiry date

• Available in 4-, 5- and 6-point configurations

• Designed for use with bucket seats and roll cages

At RMT Racing, only harnesses that meet the latest FIA homologation standards are offered, ensuring maximum safety and reliability.

FHR (HANS) Harnesses – Maximum Head and Neck Protection

FHR stands for Frontal Head Restraint and is designed for use with HANS or Hybrid restraint systems. These systems significantly reduce forward head movement during an impact, helping to prevent serious head and neck injuries.

Advantages of FHR Harnesses

✔ Designed specifically for HANS/Hybrid systems
✔ Narrower shoulder straps (typically 2 inch) for correct fit over HANS
✔ Improved load distribution in frontal impacts
✔ Mandatory in many modern racing categories

Disadvantages of FHR Harnesses

✖ Less comfortable without a HANS device
✖ Slightly higher purchase cost

Conclusion:
If you compete at higher speeds or in a series where HANS is mandatory, an FHR racing harness is the safest and most future-proof choice.

3-Inch Racing Harnesses – Comfort and Versatility

The 3-inch wide racing harness is the traditional and still widely used solution, especially in historic racing, trackdays, and applications where a HANS device is not required.

Advantages of 3-Inch Harnesses

✔ High comfort thanks to wider webbing
✔ Can be used without a HANS system
✔ Generally more affordable
✔ Ideal for trackdays and classic motorsport

Disadvantages of 3-Inch Harnesses

✖ Not optimal for use with HANS devices
✖ Not permitted in some racing classes

Conclusion:
For drivers not using an FHR system and prioritising comfort, a 3-inch racing harness remains an excellent choice.

RMT Racing FIA Harnesses – Proven Safety and Quality

RMT Racing FIA harnesses combine high safety standards with excellent value for money. They are available in multiple configurations and colours, including:

• 6-point FHR (HANS-compatible) harnesses

• 6-point 3-inch wide racing harnesses

• FIA homologation with long validity periods

• Available in blue, red, black and more

Whether you race on circuit, rally, or attend trackdays, RMT Racing offers a reliable harness for every motorsport discipline.

Which FIA Harness Is Right for You?

Final Thoughts

A high-quality FIA racing harness is essential, not optional. Choosing between FHR and 3-inch wide harnesses depends on your competition regulations, driving style, and whether you use a HANS system.

With RMT Racing FIA harnesses, you can be confident you are choosing proven safety, durability, and performance — all at a competitive price.