King Shocks 2.5-inch rear piggyback reservoir shock is built for 2007–2018 Chevrolet Silverado 1500 trucks running a 6-inch Pro Comp lift. The piggyback reservoir increases oil capacity and cooling to help maintain consistent damping under heavy use, improving rear-end control and stability on lifted trucks without requiring major suspension modification.
King Shocks 07-18 Chevrolet Silverado 1500 Rear 2.5 Dia Piggyback Res Shock for 6in Pro Comp Lift