# C70 SUBFRAME U BRACE (UPGRADE)

The **C70 subframe U-brace** is a structural component located beneath the front subframe of the Volvo C70. Designed in a U-shape, this brace adds rigidity and strength to the vehicle’s chassis by reinforcing the subframe and improving its resistance to flexing. It helps enhance handling, stability, and steering response, especially during cornering or uneven road conditions. Often used as an upgrade or replacement part, the U-brace is particularly valued by enthusiasts for tightening up the front end feel and reducing body roll. It's typically found on performance or convertible models where added chassis stiffness is beneficial.

# U BRACE

[![c70_subframe_ubrace_1.jpg](https://wiki.mrkoronas.edim.tech/uploads/images/gallery/2025-06/scaled-1680-/c70-subframe-ubrace-1.jpg)](https://wiki.mrkoronas.edim.tech/uploads/images/gallery/2025-06/c70-subframe-ubrace-1.jpg)

## Bolts

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### Rear plate to chassis

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<table id="bkmrk-bolt-size-length-thr"><tbody><tr><td>Bolt</td><td>Size</td><td>Length</td><td>Thread Pitch</td><td>Info</td></tr><tr><td>Rear plate to chassis</td><td>M8</td><td>20mm</td><td>1.25mm</td><td>  
</td></tr></tbody></table>

[![c70_plate_to_chassis.jpg](https://wiki.mrkoronas.edim.tech/uploads/images/gallery/2025-06/scaled-1680-/c70-plate-to-chassis.jpg)](https://wiki.mrkoronas.edim.tech/uploads/images/gallery/2025-06/c70-plate-to-chassis.jpg)

[![c70_plate_to_chassis_1.jpg](https://wiki.mrkoronas.edim.tech/uploads/images/gallery/2025-06/scaled-1680-/c70-plate-to-chassis-1.jpg)](https://wiki.mrkoronas.edim.tech/uploads/images/gallery/2025-06/c70-plate-to-chassis-1.jpg)

[![c70_plate_to_chassis_2.jpg](https://wiki.mrkoronas.edim.tech/uploads/images/gallery/2025-06/scaled-1680-/c70-plate-to-chassis-2.jpg)](https://wiki.mrkoronas.edim.tech/uploads/images/gallery/2025-06/c70-plate-to-chassis-2.jpg)

### Front plate to chassis small Bolt

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<table id="bkmrk-bolt-size-length-thr-1"><tbody><tr><td>Bolt</td><td>Size</td><td>Length</td><td>Thread Pitch</td><td>Info</td></tr><tr><td>Front plate to chassis  
Small Bolt</td><td>M10</td><td>50mm</td><td>1.5mm</td><td>  
</td></tr></tbody></table>

[![c70_front_plate_to_chassis.jpg](https://wiki.mrkoronas.edim.tech/uploads/images/gallery/2025-06/scaled-1680-/c70-front-plate-to-chassis.jpg)](https://wiki.mrkoronas.edim.tech/uploads/images/gallery/2025-06/c70-front-plate-to-chassis.jpg)

[![c70_front_plate_to_chassis_1.jpg](https://wiki.mrkoronas.edim.tech/uploads/images/gallery/2025-06/scaled-1680-/c70-front-plate-to-chassis-1.jpg)](https://wiki.mrkoronas.edim.tech/uploads/images/gallery/2025-06/c70-front-plate-to-chassis-1.jpg)

[![c70_front_plate_to_chassis_2.jpg](https://wiki.mrkoronas.edim.tech/uploads/images/gallery/2025-06/scaled-1680-/c70-front-plate-to-chassis-2.jpg)](https://wiki.mrkoronas.edim.tech/uploads/images/gallery/2025-06/c70-front-plate-to-chassis-2.jpg)

### Front plate to chassis small Bolt

---

<table id="bkmrk-bolt-size-length-thr-2"><tbody><tr><td>Bolt</td><td>Size</td><td>Length</td><td>Thread Pitch</td><td>Info</td></tr><tr><td>Front plate to chassis  
Small Bolt</td><td>M14</td><td>120mm</td><td>2.0mm</td><td>  
</td></tr></tbody></table>

[![c70_front_plate_to_chassis_large.jpg](https://wiki.mrkoronas.edim.tech/uploads/images/gallery/2025-06/scaled-1680-/c70-front-plate-to-chassis-large.jpg)](https://wiki.mrkoronas.edim.tech/uploads/images/gallery/2025-06/c70-front-plate-to-chassis-large.jpg)

[![c70_front_plate_to_chassis_large_1.jpg](https://wiki.mrkoronas.edim.tech/uploads/images/gallery/2025-06/scaled-1680-/c70-front-plate-to-chassis-large-1.jpg)](https://wiki.mrkoronas.edim.tech/uploads/images/gallery/2025-06/c70-front-plate-to-chassis-large-1.jpg)

[![c70_front_plate_to_chassis_large_2.jpg](https://wiki.mrkoronas.edim.tech/uploads/images/gallery/2025-06/scaled-1680-/c70-front-plate-to-chassis-large-2.jpg)](https://wiki.mrkoronas.edim.tech/uploads/images/gallery/2025-06/c70-front-plate-to-chassis-large-2.jpg)

[![c70_front_plate_to_chassis_large_3.jpg](https://wiki.mrkoronas.edim.tech/uploads/images/gallery/2025-06/scaled-1680-/c70-front-plate-to-chassis-large-3.jpg)](https://wiki.mrkoronas.edim.tech/uploads/images/gallery/2025-06/c70-front-plate-to-chassis-large-3.jpg)

[![c70_front_plate_to_chassis_large_4.jpg](https://wiki.mrkoronas.edim.tech/uploads/images/gallery/2025-06/scaled-1680-/c70-front-plate-to-chassis-large-4.jpg)](https://wiki.mrkoronas.edim.tech/uploads/images/gallery/2025-06/c70-front-plate-to-chassis-large-4.jpg)