Hydraulic Cartridge Valve Base Valve Cavity Size C10-4 Port Size - Hydraulic Valves #8 SAE Max Pressure - Hydraulic Valves 3 000 psi Aluminum Length (In.) 1.25 in Width (In.) 2.5 in Height (In.) 3.25 in Fits Valve Number 4UA89 4UA90 4UA91 For Use With Threaded Cartridge Valves