Sdv40-A88A (2500)-3Xdv7-Hdv711-Tr88 Inlet With Sae16 Ports At Side & Top, Mrv Installed Preset At 2500Psi. 3 Sections, D/A, Cylinder Spools, Metering Air Shift, Spring Return, Sae 12 Ports. 4Th Section, Hi-Boy, D/A, Cylinder Spool, Metering Air Shift, Spring Return, Sae 12 Ports. Relief Ports A & B With Anti-Cavitation Valve. Outlet Sae 16 Ports At Side & Top.