These valve bodies are custom designed by Greasecar for use with Hydraforce SV98-T39
model spool valves (P/N: 5019094 580037013 12V or equivalent after market part) . This beautiful polished unit is made in the USA of 6061 aluminum and features 3 labeled ports (9/16-18 SAE) and two recessed mounting holes for 1/4-20 socket head cap screws. We are offering these units at our cost for the savvy DIY enthusiast.