I still have my original SnapOn CIS test setup from back in my old indy days, but I believe Harbor Freight currently sells a "fuel injection" diagnostic kit that may include the switchover valves and appropriate fittings for CIS.
Casey Olympia, WA Biodiesel: "I drive in a persistent vegetative state" '87 300TD intercooler (211k) '84 300D (207k) Gashuffer: '89 Vanagon Wolfsburg Edition (186K)