V 4P 14040 1983 88 B6 PARKING BRAKE INVERSION VALVE W JE4 MIDLAND ROSS 4 641 1 SCREW HEX HD 1 4 20 X 625 CZ 8 977 2 WASHER FLAT 9 32 X 1 2 X 1 32 PHOS 8 929 3 COVER INVERSION VALVE BODY ASM N S 4 SPRING INVERSION VALVE CONTROL VALVE INNER ASM N S 5 SPRING INVERSION VALVE CONTROL VALVE OUTER ASM N S 6 SPACER INVERSION VALVE SPRING TO CONTROL PISTON ASM N S 7 RING INVERSION VALVE CONTROL PISTON ASM N S 8 PISTON INVERSION VALVE CONTROL ASM N S I 9 0 RING PARKING BRAKE INVERSION VALVE 1 3 8 X 1 9 16 X A 3 32 RUB 4 641 A 10 CAGE INVERSION VALVE ASM N S 11 SEAL PARKING BRAKE INVERSION VALVE 4 641 12 RETAINER PARKING BRAKE INVERSION VALVE 4 641 13 PISTON INVERSION VALVE SUPPLY ASM N S I 14 SPRING INVERSION VALVE SUPPLY PISTON N S 15 O R NG PARKING BRAKE INVERSION VALVE 3 8 ID X 1 2 OD 4 641 I 16 KIT RELAY VALVE REPAIR INCL O RING 4 646 17 CAP INVERSION VALVE END ASM N S 18 RING INTERNAL RET BORE 1 250 8 934 A19 BODY INVERSION VALVE ASM N S A j 1987 GENERAL MOTORS SERVICE PARTS OPERATIONS M SB G 09 87 4c as 4 000 GROUP