King Shocks 2017+ Chevrolet Colorado ZR2 Rear 2.5 Dia Piggyback Reservoir Shock w/Adjuster (Pair) King Shocks Sale! from 131999 127400 /per Qty. Add to Cart This item is either made to order or has limited inventory. Please reach out to confirm lead times if needed. King Shocks 2017+ Chevrolet Colorado ZR2 Rear 2.5 Dia Piggyback Reservoir Shock w/Adjuster (Pair)