King Shocks 2017+ Chevrolet Colorado ZR2 Rear 2.5 Dia Piggyback Reservoir Shock (Pair) King Shocks Sale! from 90199 94900 /per Qty. Sold Out This item is currently on backorder but you can still purchase it now and we'll ship as soon as more become available. King Shocks 2017+ Chevrolet Colorado ZR2 Rear 2.5 Dia Piggyback Reservoir Shock (Pair)