Sdv40-A88A-2Xhdv711-Hdv791-Pb88 Inlet Sae16 Ports At Side & Top, With Mrv Installed Preset At 2000 Psi. Sections 1 & 2, Hi-Boy, D/A, Cylinder Spool, Metering Air Shift, Spring Return, Sae 12 Ports. Ports A & B Relief Anti-Cavitation Preset & 2500 Psi. 3Rd Section, Hi-Boy, D/A, Cylinder Spool, Metering Air Shift, Spring Return, Sae 12 Ports, A Port Plugged, B Port Anti-Cavitation Preset At 2500 Psi. Outlet Power Beyond, Sae 16 Ports, 2 At Side & 2 At Top. 2 Pcs Sdv40-Dpl-16 Loose In Box.