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GM's High Performance Vehicle Operations tuned the suspension and upgraded the brakes of the SS. It features stiffer springs, an inch lower ride height, and thicker anti-roll bars, as well as standard StabiliTrak stability control. Larger, 12.8-inch diameter front brake discs are fitted, allied to new iron twin-piston calipers, while the monster twenty-inch aluminum wheels have 255/50 V-rated tires.
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