67 68 Ser 40 Conv SBC Gas w Brake Booster Dual Brakes exc Frame Mounted Brk Bstr 67 68 Ser 50 60 Gas exc Full Air TDM Tilt A O H B 18 500 Ib axle 8875858 1 31 SEAL bushing O ring Midland N 11728 JS 67 68 Ser 40 thru 60 Gas w Brake Booster exc A O H B 18 500 Ib axIe D D Tilt Frame Mounted Brake Booster 8875857 1 33 SEAL check valve retainer O ring Midland N 1 1728 BG 67 68 Ser 40 Conv SBC Gas w Brk Booster Dual Brakes exc Frame Mounted Brk Booster 67 68 Ser 50 60 Gas exc Full Air TDM Tilt A O H B 18 500 Ib axle 8875870 1 21 SPRING cyl valve Midland 600399 LV 66 Ser 50 Tilt 4 cyc Diesel 66 Ser 50 exc 4 cyc Diesel 66 Ser 60 exc TDM 67 Ser 40 Tilt D D w Brk Bstr 67 68 Ser 50 Conv Diesel exc H D Brake Booster A O H B 67 68 Ser 50 Tilt exc H D Brake Booster 67 Ser 60 TDM exc A O H B 68 Ser 40 Tilt w Brake Booster 2493262 1 68 VALVE ASSY cyl piston Midland 101609 D 67 68 Ser 40 Conv SBC w Brake Booster Dual Brakes exc Frame Mounted Brake Booster 67 68 Ser 50 60 Gas exc Full Air TDM Tilt A O H B 18 500 Ib axle 887455 I 1 14 WASHER Midland 4 x 2456 4 659 BOOT WASHER Main Cylinder Rubber 60 61 Tilt 5459567 1 56 60 62 All exc Tilt 63 66 All 6 69 Ser 40 thru 60 D D Tilt exc H D Brake Booster 70 Ser 50 60 Tilt 5456779A R 78 66 Ser 60 TDM 66 Ser 60 w A O H B H D Brake Booster 66 Ser 80 exc Diesel 67 69 Ser 40 exc D D Tilt Brake Booster Dual Brake 67 68 Ser 50 Tilt w H D Brk Bstr 67 Ser 50 60 Conv w A O H B Gas 4 67 69 Ser 50 60 TDM exc Air Equip 67 69 Ser 50 60 Conv Diesel exc Air Equip 67 69 Ser 60 w 18 500 Ib axle exc Tilt 1971 CHEVROLET MOTOR DIVISION GENERAL MOTORS CORPORATION P A 318 4 658 4 659 4 198 REV 6 71