FUEL EXHAUST CARBURETION 3 670D VALVE Emission Control Systcm EGR Valves Con t 87 B 307Y NM5 EXPORT CANADA 17110783 1 32 20 VALVE EGR PROD 17085763 87 G 4 32 CALIF NB2 17111859 1 65 33 VALVE EGR PROD 17087242 PGO 40 33 87 G 4 32 FED NA5 17111860 1 65 33 VALVE EGR PROD 17087243 PG3 150 74 88 B 307Y FED CALIF EXC NM8 EXPORT 17110809 1 N L VALVE EGR PROD 17085749 PG3 130 23 88 B 307Y A C CALIF NM8 EXPORT 17111588 1 65 33 VALVE EGR PROD 17085748 89 B 307Y FED 17110809 1 N L VALVE EGR PROD 17085749 PG3 130 23 89 B 307Y CALIF NB2 17111588 1 65 33 VALVE EGR PROD 17085748 Y 1990 GENERAL MOTORS SERVICE PARTS 0PERATIONS PONT AC 22W i j1 3 67OD 3 670D 3 64 I REV 6 90