The Gabriel G63387 Ultra Rear Shock Absorber is engineered to enhance the suspension performance of select Ford E-Series and F-Series vehicles, including models from 1975 to 1991. This shock absorber is designed to provide a smoother, more comfortable ride by effectively managing road irregularities and reducing vibrations. Its construction features a 1 3/8-inch bore piston with bonded iron for durability and a super-finished chromed piston rod that offers superior corrosion resistance. The leak-proof piston seal and rod guide eliminate oil bypass, ensuring consistent performance over time. Additionally, the shock absorber incorporates Gabriel's G-Force„¢ technology, which delivers quicker response and improved product life. The StableSteer„¢ valving enhances tire contact with the road, contributing to better control and safety. The shock absorber's dimensions include an extended length of 23.32 inches, a collapsed length of 14.04 inches, and a stroke length of 9.28 inches. It features an upper mount code of S1 and a lower mount code of ES25, with a steel dust tube and includes two bushings, two retainers, and one nut. This product is sold individually and is backed by Gabriel's one-year warranty covering manufacturing defects.