BRAKES 67 70 Ser 20 30 w Brake Booster exc D D 1 1 000 lb axle 68 70 Ser 20 30 D D exc 1 1 000 lb axle 9785080 1 20 SPRING cyl vlv rod Bendix 2503486 70 Ser 10 thru 30 Blazer Conv 4 WD w Brake Booster exc 1 1 000 Ib axle 70 Ser 20 30 D D exc 1 1 000 Ib axle 1232889 1 1 15 SPRING diaphragm return Bendix 2508131 63 67 Ser 20 30 D D w Brake Booster 67 70 G 20 2390316 1 06 RETAINER piston return spring 1 dia x Vu thk Midland C 13591 63 Ser 10 thru 30 w Brake Booster exc D D 5460925 1 BEARING piston rubber 65 66 Ser 10 thru 30 w Brake Booster exc D D 5465205 1 1 34 BEARING piston Moraine 67 70 Ser 30 D D w Brake Booster 67 70 Ser 30 157 W B Brake Booster w 1 1 000 Ib axle exc D D 3888009 1 1 45 BEARING push rod Bendix 2501432 63 67 Ser 20 30 D D w Brake Booster 67 Ser 30 w 11 000 Ib axle 67 68 G 20 w Brake Booster 2390314 1 35 COLLAR cylinder piston VM dia x Vez thk Midland C 13576 67 Ser 30 w 11 000 lb axle 2493282 1 15 WASHER push rod bushing Midland 4 X 2616 67 Ser 30 w 11 000 lb axle 2493258 1 1 30 BUSHING push rod Midland 101530 A 67 70 G 20 w Brake Booster 2390325 1 10 RING hyd cyl snap Midland C 13048 64 66 Ser 10 thru 30 w Brake Booster exc D D 5464332 1 36 O RING main cyl piston 4 926 PIN SEAL Vacuum Power Brake Cylinder Push Rod 46 55 Comm 1st Ser 55 59 Ser 3 2nd Ser 2208712 1 15 Bendix 376182 67 70 Ser 30 D D w Brake Booster 67 70 Ser 30 157 W B Brake Booster w 1 1 000 Ib axle exc D D 3888001 1 20 Bendix 2501271 67 70 Ser 30 D D w Brake Booster 67 70 Ser 30 157 W B Brake Booster w 1 1 000 Ib axle exc D D 3830345 1 20 SEAL push rod bush Bendix 2501240 67 70 Ser 30 D D w Brake Booster 67 70 Ser 30 157 W B Brake Booster w 11 000 Ib axle exc D D 3830356 1 1 40 SEAL push rod Bendix 2501220 4 928 POPPET ASSY SPRlNG VALVE KIT RETAINER Vacuum Power Brake Cylinder Poppet Valve 67 70 Ser 20 30 w Brake Booster exc D D 1 1 000 lb axle 68 70 Ser 20 30 D D exc 11 000 Ib axle 9785071 1 1 70 brk cyl Bendix 2501062 63 67 Ser 20 30 D D w Brake Booster 67 70 G 20 2390322 1 18 SPRING cyl poppet 63 67 Ser 20 30 D D w Brake Booster 67 70 G 20 2390320 1 40 VALVE cyl poppet lower 51 52 1 Ton w Brake Booster 2214318 1 2 95 KIT cyl poppet replacement Bendix 374310 67 70 Ser 20 30 w Brake Booster exc D D 1 1 000 lb axle 68 70 Ser 20 30 D D exc Brake Booster 3910036 1 20 RETAINER cyl poppet tY 1971 CHEVROLET MOTOR DIVISION GENERAL MOTORS CORPORATION P A 31 4 924 4 928 4 268 REV 6 71