f 4P 23 1983 87 B6 S7 FRONT AIR BRAKE W JE4 W F120 AXLE ROCKWELL I 5 000 1 RING CAMSHAFT RETAINING 5 130 2 WASHER CAMSHAFT 5 130 3 I ADJUSTER SLACK 5 125 4 SEAL CAMSHAFT BUSHING 5 130 5 BUSHING CAMSHAFT 5 130 6 PIN BRAKE CHAMBER PUSH ROD YOKE 5 122 7 YOKE BRAKE CHAMBER PUSH ROD 5 125 8 NUT BRAKE CHAMBER PUSH ROD 1 2 20 N S 9 BRACKET CAMSHAFT 5 130 10 CHAMBER BRAKE 5 120 11 O RING OIL SEAL 5 103 12 ROD ANTI RATTLE 5 026 13 SPACER CAMSHAFT BRACKET 5 130 I 14 SHIELD DUST OR BACKING PLATE 5 001 15 CAMSHAFT BRAKE 5 130 16 ROLLER SHOE 5 020 17 SHOE BRAKE 5 017 18 LINING SET BRAKE 5 018 19 RETAINER SHOE HOLD DOWN 5 055 20 SPRING ANTI RATTLE 5 043 21 RING ANCHOR PIN RETAINING 5 055 22 PIN ANCHOR 5 055 23 SPRING SHOE RETURN 5 026 T 1987 GENERAL MOTORS SERVICE PARTS OPERATIONS M SB G L L 09 87 5G 13 5 000 GROUP