The King Shocks 2.5 PR 10-inch coilover with piggyback reservoir and IBP comes without springs and incorporates an internal bypass. The piggyback reservoir adds oil capacity next to the shock body while the IBP and PR valving work to refine flow during compression and rebound events. It’s intended for coilover systems needing added fluid volume and internal bypass tuning without a remote reservoir.
King Shocks 10in 2.5 PR Coilover Shock Piggyback Reservoir w/o Springs w/IBP