Anti-Sway Bar | Rear 25mm GT • F55/F56/F57
Specifications Part numbers, fitment codes and shipping
- Brand
- NM Engineering
- Speedzone SKU
- NM.258847
- Manufacturer part number
- NM.258847
- Category
- Suspension & Chassis
- Shipping weight
- 23.0 lb

Those who are familiar with the older gen MINIs know how much of an improvement they get from NM Engineering's 22mm Solid Rear Anti Sway Bar. It is essentially the best body roll management you can ever do to your MINI. The handling characteristic and steering input are so well enhanced it is almost as good, if not better, compared to installing lowering springs or coil-overs.
NM Engineering GT Rear Sway Bar is 25mm. Perfect for aggressive urban driving, canyon carving, as well as track/autocross applications.
| F56 SWAY BAR COMPARISON | Rate 1 | Rate 2 | ||
| lbs./in. | Increase over 'Base' | lbs./in. | Increase from 'Base' | |
| OEM Base 19MM Solid | 182 | - | - | - |
| OEM Sport / JCW 21mm Tubular | 253 | 39% | - | - |
| NM Eng. 22mm Solid | 298 | 63% | 375 | 106% |
| NM Eng. 25mm Tubular | 510 | 180% | 642 | 252% |
Notes:
NM Eng Anti Sway Bar features:
- mandrel-bent Chromoly heavy-wall tube providing consistent diameter throughout for precise torsion motion
- forged ends (not cheaply welded plate) with two adjustment mounting holes
- billet 7075-T6 aerospace grade sway bar bracket
- 90° Zerk fitting for ease of re-greasing
- graphite impregnated urethane bushing
- glossy blue powder coat finish
- 3-way adjustable preload
NM Engineering Sway Bar Link kit is Recommended to be used with the GT Sway Bar.
Full details on shipping times, returns, warranty and cancellations are on our policy page.
Market conditions after 2020 have changed the landscape of automotive parts. Although we stock thousands of items across multiple warehouses and distribution channels, back-orders are unavoidable in today's market. If you need a product quickly, email, message or call us to check availability so we can explore your options.
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Call 407-846-8430
Text 407-749-6314
Answers to common questions are on our FAQ page.
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