68 Ser 40 thru 60 SBC w Frame Mounted Brake Booster 68 Ser 50 TDM w Dual Brake 68 Ser 50 60 Diesel w Dual Brakes 2499832 1 21 SEAL hyd cyl push rod bushing Midland N 15740 V T 67 68 Ser 40 Conv SBC Gas w Brake Booster Dual Brake exc Frame Mounted Brake Booster 67 68 Ser 50 thru 60 Gas exc Full Air TDM Tilt A O H B 18 500 Ib axle Frame Mounted Brake Booster 8874563 1 75 SEAL rear shell to valve b ody Midland 101705 B 67 68 Ser 40 thru 60 Gas w Brake Booster exc A O H B 18 500 Ib axle D D Tilt TDM Frame Mounted Brake Booster 8874576 1 39 SEAL valve seat O ring Midland N 11728 FG 67 68 Ser 40 thru 60 Gas w Brake Booster exc A O H B 18 500 Ib axle D D Tilt TDM Frame Mounted Brake Booster 8874581 1 28 SEAL valve O ring Midland N 11728 DR Not required in this group See group I 4 888 2250517 21 SEAL 60 62 TDM 60 62 Ser 80 65 Ser 80 TDM 4 cyc Diesel 2268118 1 30 WASHER cyl head nut 1 V 4 Midland 4 X 2247 4 911 WASHER BUSHING NUT Vacuum Power Brake Cylinder 63 66 Ser 50 60 exc H D Brake Booster 67 69 Ser 40 D D Tilt w Brake Booster V 67 68 Ser 50 Conv Diesel exc A O H B H D Brake Booster 67 68 Ser 50 Tilt exc H D l Brake Booster 3830357 1 25 push rod Bendix 2501648 63 69 Ser 50 60 67 70 Ser 40 Tilt D D w Brake Booster 69 70 Ser 40 thru 60 Conv w Dual Brakes 3830324 1 25 Bendix 2501490 66 Ser 50 Tilt 4 cyc Diesel 66 Ser 50 exc 4 cyc A Diesel P 66 Ser 60 exc TDM 67 69 Ser 40 Tilt D D w Brake Booster 67 68 Ser 50 Conv Diesel exc H D Brake Booster A O H B V 67 68 Ser 50 Tilt exc H D Brake Booster 2493280 1 15 push rod Midland 4 X 2582 60 62 Ser 50 60 w H D Brake Booster 60 61 Ser 70 exc TDM 2402007 1 4 20 BUSHING body 2 4 O L Midland C 13551 C 63 65 Ser 50 60 exc H D Brake Booster 3830407 1 1 80 BUSHING push rod Bendix 2501406 63 65 Ser 60 w H D Brake Booster 3830325 1 95 BUSHING push rod Bendix 2501241 63 65 Ser 60 TDM exc Diesel 63 65 Ser 80 2 cyc Diesel exc TDM 3830371 1 1 05 BUSHING push rod Bendix 2501915 1971 CHEVROLET MOTOR DIVISION GENERAL MOTORS CORPORAT ON P A 31S 4 910 4 911 4 314 REv 6 71