ZERONE SSR 300 coilover kit offers a high quality coilover system at an entry level price. Drivers will feel increase in stability and grip while maintaining good ride quality on the street and freeway. Vehicle ride height adjustable via a threaded shock body and adjustable spring seat, in which the threaded sleeve is welded to the actual shock body. Aluminum spring seats are utilized to reduce ceasing of spring seat to threaded body and for improved durability. A shortened shell case is utilized to allow for a better ride and improved performance at lowered ride heights. SSR 300 is a great option for consumers wanting a simple yet quality made coilover.