Parts list: № Number Qty Name Options 1 BL15801 1 Valve Kit Next page: ST878925 Attachment, Pressure-Free Return ST907768 Rockshaft Control Valve, W/ Steppermotor (673929 - 977138) ST955582 Electrical SCV, 450 Series, Position I (937676 - 977138) ST955592 Electrical SCV, 450 Series, Position II (937676 - 977138) ST955600 Electrical SCV, 450 Series, Position III (937676 - 977138) ST878917 Electrical SCV, 450 Series, Position V, Attachment (1/2) ST878326 Electrical SCV, 450 Series, Position I (673929 - 937675) ST878319 Power Beyond Valve, Position V (673929 - 977138) ST878316 Electrical SCV, 450 Series, Position III (673929 - 937675) ST878315 Electrical SCV, 450 Series, Position II (673929 - 937675)