Ultra Racing 4-point rear torsion bar – Smart Fortwo (W453) 900-M281 2WD LHD/RHD 14+
This Ultra Racing 4-point rear torsion bar reinforces the front structure between its mounting points. The vehicle-specific brace helps reduce chassis flex as loads change.
The vehicle-specific steel brace works well alongside other chassis and suspension upgrades. It adds structural rigidity without replacing the suspension components themselves.
- 4-point Rear torsion bar
- Steel Ultra Racing construction
- Vehicle-specific chassis brace
- Ultra Racing Lifetime Warranty
- Ultra Racing part number: URTW-RT4-3427
Fitment
According to the source data, fits the following models:
- SMART FORTWO 3RD GEN (W453) 900-M281 2WD 2014-2019
- SMART FORTWO 3RD GEN (W453) 900-M281 2WD LHD 2014-2019
If you are unsure whether the part fits your car, contact our customer service with your vehicle registration number and we will help confirm fitment.
Read our blog to learn more about the different types of Ultra Racing braces and the benefits of chassis stiffening.



