H&R RSS Coil Over Kit | Ford Mustang Shelby GT-H / GT500/GT500 Convertible (07-10) (RSS29170)H&R RSS Coilovers for your 2010 Ford Mustang Shelby GT H V6 V8 are designed and tested on the famous Nurburgring, and are for the performance minded driver that requires the most vehicle feedback. The result is flat cornering and supreme directional control a perfect choice for the high performance driver. RSS Coilovers lower the center of gravity and reduce body roll for better handling. Like all H&R coilovers, RSS Coilovers feature H&R exclusive