2008-2009 Pontiac G8 GT/GXP BC Racing Coilover Springs
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These springs are replacement springs for your BC Racing BR Coilovers only. Replace your worn out springs or simply upgrade to a higher spring rate for the extra weight or power you may have added to your G8.
8K Front 10K Rear: These are the spring rates that come standard with your BC Racing Coilovers. (Recommended for street applications) The standard spring rates used to be 7K Front 9K Rear.
9K Front 12K Rear: These spring rates are recommended for G8s running extra weight in the front (Supercharger) and extra power in the rear.