Swift Springs Spec-R Performance Springs
Designed at the upper limits of OEM shock valving. Track tested for optimum performance while maintaining ride comfort.
- Vehicle: BMW M4 F82 (2015-2020)
- Type: Spec-R
- Front Rate: 5.0 kgf/mm
- Rear Rate: 13.0 kgf/mm
- Front Drop: -1.1″
- Rear Drop: -0.9″
- Part#: 4X908R
Made with Swift proprietary HS5.TW material.
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