





This BC Racing coilover is made-to-order. Please expect 5-7 weeks for build time.
Customize your BC Racing coilovers with custom spring rates and upgraded springs.
Swift Springs are not available for this kit.
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BC Racing DS Series coilovers for the 12-20 Sonic T300. This vehicle-specific kit uses BC Racing's monotube dampers and proprietary digressive piston design, built for drivers who want more useful feedback from the chassis without making every higher-speed bump feel overdamped.
For a Sonic T300 that sees spirited street driving or technical road-course use, the DS Series is about keeping the car more settled through the inputs you actually feel from the driver's seat. No more treating ride height and spring compression as the same adjustment.
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