H&R 08-10 Pontiac G8 Street Perf. Coil OverH&R'street Performance Coil Overs are the perfect suspension'solution for discerning drivers from daily drivers'to serious tuners who can appreciate awesome handling and superb ride comfort. Each coil over shock is custom valved to work in conjunction with a precision engineered progressive rate spring, creating a finely tuned suspension'system. The fully threaded shock body allows for adjustable vehicle height. This feature helps balance vehicle