60 65 All exc FFC Tilt 66 Ser 50 w Brake Booster exc Tilt SBC 66 Ser 60 80 exc Tilt SBC Air Brake 67 70 Ser 40 D D l 3910227 1 9 55 BRACKET ASSY brake pedal 67 68 FFC 3900682 1 9 85 BRACKET ASSY brake pedal 67 70 Ser 40 exc SBC D D Tilt 292 3880989 1 4 15 BRACKET ASSY brake pedal 67 70 Ser 40 292 exc SBC D D Tilt 67 70 Ser 50 60 exc SBC Tilt 3889091 1 9 85 BRACHKET ASSY brake pedal 68 70 Ser 40 thru 60 FFC SBC Gas 3924249 1 10 45 BRACZKET ASSY brk pedal 70 Ser 40 50 FFC SBC w Dual Brakes 3971769 1 33 35 BRACKET ASSY pedal 70 Ser 40 Conv w Dual Brakes 3971095 1 16 65 BRACKET ASSY pedal 70 Ser 50 TDM w Dual Brakes 70 Ser 50 60 Conv w Dual Brakes 3971765 1 16 65 BRACKET ASSY pedal Not required in this group See groups 8 900 and 1 840 180081 BOLT 8 900 60 64 All 3766795 2 10 GASKET main cyl brake and clutch 2 4 65 69 Ser 50 60 70 All 3771273 2 05 PLUG brake and clutch main cyl mtg hole 6 009 65 66 Ser 50 D D 67 70 Ser 40 D D 3860659 1 5 15 SUPPORT brake pedal bracket 65 69 All 3874876 1 10 SCREW w lock washer 16 x 1V4 3 901 4 649 REPAIR UNIT Hydraulic Brake Main Cylinder 55 59 Ser 4 5 6 exc H D Brake Booster A O H B 5454428 1 4 91 1lQ dia Note 1 55 57 Ser 5 6 w H D Brake Booster 56 59 Ser 6 7 8 9 10 w H D Brake Booster exc TDM 58 59 Ser 5 6 A O H B w H D Brake Booster 5455291 1 8 00 1 dia Note 2 NOTE 2 Consists of 1 each piston spring and retainer piston cup and ring piston assy lock ring boot and head nut gasket 56 59 TDM 5455662 1 15 99 1 dia 60 66 D D 5454427 1 Ei 00 Wa dia Note 3 NOTE 3 Consists of one each check valve primary cup piston boot lock ring washer and gasket NOTE 1 Consists of 1 each check valve primary cup piston boot lock ring washer and gasket 60 62 Ser 40 50 60 exc H D Brake Booster A 0 H B Tilt 62 Ser 60 Tilt 63 66 Ser 50 60 exc 261Vz W B LCF Tilt Diesel 65 Ser 60 4 cyc Diesel exc TDM 3770602 1 4 79 1 dia Note 4 A 60 61 All exc Tilt 62 65 All exc 4 cyc Diesel 65 Ser 50 4 cyc Diesel exc Tilt 65 Ser 60 4 cyc Diesel exc TDM 65 Ser 80 4 cyc Diesel 3775652 1 6 00 1V dia Note 4 66 Ser 50 exc SBC 66 Ser 60 exc SBC TDM H D Brake Booster 66 Ser 60 SBC 327 366 w P T exc H D Brake Booster 66 Ser 80 Tilt 67 69 Ser 40 D D 67 69 Ser 60 Tilt w Air Brake 67 69 Ser 40 50 Tilt exc H D Brake Booster 5452500 1 6 10 1 V4 dia Note 4 NOTE 4 Consists of 1 each piston assy cup assy ring boot spring washer check valve i 1971 CHEVROLET MOTOR DIVISION GENERAL ll llOTORS CORPORATION P A 31S REV 6 71 4 183 4 648 4 649