Fuel Injection Pressure Regulator. Pressure Reg FITMENT NOTES: Engine: 2.6L L4. Compatible Years: 1989 1990 1991 1992 1993 Item Specifics Adjustable: No Gauge Port: No Inlet Port Diameter: 0.43 IN Inlet Port Diameter: 11.0 MM Inlet Quantity: 1 Inlet Type: Push In Material: Metal Material: Metal Mounting Type: Bolt Outlet Port Diameter: 8.0 MM Outlet Port Diameter: 0.31 IN Outlet Quantity: 1 Outlet Type: Hose System Pressure: 44. Confirm Your Vehicle Compatibility. Engine: 2.6L L4. Also review the notes section in the compatibility chart for additional specifications about this part.