The shock that started it all! Rancho RS5000 series has been the shock of choice for light trucks and sport utility vehicles since 1985. Available for stock and lifted applications, RS5000 is ideal for on and off-road use, at an affordable price. Product Features:Ten-stage velocity sensitive valving - Provides tuning specific for each vehicle5/8-in. (16mm) diameter piston rod (select applications) - Adds strength and durability. Size varies by application.1 3/8-in. (35mm) diameter piston (select applications) - Ensures performance in any environmentProtective boot included - Protects the shock rod and oil seal