Guide Rail System Material Cast Iron/ SS For Use With 4WDA 4DWS 4DWN 4WS 3888D4 4SD 4NS 4GV 4MV 4MK Overall Height 56 in Requires 2 in Stainless Steel Guide Rails Lifting Chains and Bails Includes Base Adapter Bolts and Fittings and Upper SS Guide Rail Positioning Bracket Pump Discharge 6 in Flange Rail System Discharge 6 in Flange