TA00 007 I 70 0 386 COVER VALVE ROCKER I I 14091560 71 3 681 SWITCH LOCK UP VACUUM CONTROL W FED ALT A 14031356 72 3 681 SWITCH EARLY FUEL EVAPORATION THERM VACUUM CONTROL W CALIF 3057821 73 3 275 RBOLT INTAKE MANIFOLD I1 14091543 3 275 STUD INTAKE MANIFOLD 14091546 J 74 3 671 BRACKET DECELERATOR VALVE 14082304 75 3 680 GASKET EXHAUST GAS RECIRCULATION VALVE 14088262 76 3 670 VALVE EXHAUST GAS RECIRCULATION W A C FED 171 11248 3 670 VALVE EXHAUST GAS RECIRCULATION W A C ALT 171 1 141 1 3 670 VALVE EXHAUST GAS RECIRCULATION W A C CALIF Q 171 1 1412 77 N S BRACKET ENGINE V 78 3 278 FITTING INTAKE MANIFOLD VACUUM A 6355786 79 0 429 BALL VALVE ROCKER ARM PART OF ITEM 80 I 3744340 80 0 333 ARM VALVE ROCKER W BALL KIT INCL ITEMS 46 79 A 10089648 NOTE 1 REFER TO SPARK PLUG SERVICE CHART IN GROUP 2 000 I NOTE 2 SEE PARTS CATALOG GROUP OR CHART FOR PART NUMBERS 1991 GENERAL MOTORS SERVICE PARTS OPERATIONS LT TRUCK 52M 0 000 GROUP A I I 0 24 6 S 1 91