BRAKES NOTE 2 Not used with 7 50 17 8 ply or 7 00 18 8 tires on K models 55 59 J Ser 3E 2nd Ser exc Prop Brake 4 WD Sgl wheel 3739672 2 8 20 w clamp 63V O L rear 58 59 Ser 3A 3B w P Trac 2346805 2 7 80 61Vz O L rear 60 62 Ser 10 w 115 W B exc 4 WD 3763940 2 7 00 70 u O L 60 62 Ser 10 4 WD 1st Ser 3773369 2 7 50 58V O L 60 62 Ser 10 w 127 W B exc 4 WD 3763949 2 6 70 73 O L 60 62 Ser 20 exc D D 4 Spd 3 Spd H D 4 WD 3760994 2 7 10 73V 0 L 60 62 Ser 20 4 WD 1st Ser 3778705 2 8 50 w clamp 70 0 L Note 3 NOTE 3 When using on some models it may be necessary to use one 2405736 Clevis 61 62 Ser 10 D D 3789948 2 6 00 66V O L 63 Ser 10 w 115 W B 1st design exc 4 WD 3820123 1 7 50 87 O L Note 4 63 65 Ser 10 w 115 W B 2nd design exc 4 WD 3838113 2 7 50 80 O L 63 Ser 10 w 127 W B 1st design exc 4 WD 3820539 1 7 50 95 O L Note 4 63 65 Ser 10 w 127 W B 2nd design exc 4 WD 3838114 2 7 50 91 0 L 63 67 Ser 10 D D 3829669 2 5 45 68V O L 63 Ser 10 4 WD 2nd Ser 3824112 1 6 15 63 65 Ser 20 D D w 104 W B exc 4 Spd 3860816 1 10 50 106V4 0 L 63 Ser 20 1st design exc 3 Spd H D 4 Spd D D 4 WD 3820538 1 6 85 w clamp 94 z O L Note 4 NOTE 4 All 1963 lst design cables have an adjustable end 63 64 Ser 20 2nd design exc D D 4 WD 4 Spd 3 Spd H D 65 Ser 20 exc 4 WD D D 3838116 2 7 50 w clamp 90 O L 63 66 Ser 20 4 WD 2nd Ser 3824114 1 7 25 w clamp 64 66 Sr 10 4 WD 3848545 1 6 00 56 O L 64 66 G 10 3868061 1 5 40 left 64 66 G 10 3868062 1 5 40 right 62 70 Ser 20 w leaf spring exc 4 WD 8877651 2 4 75 park brake rear 65 Ser 10 w leaf type springs 2457046 1 5 35 w clamp 81 O L 65 Ser 20 w leaf type springs 2457045 1 5 15 w clamp 92V O L 66 69 Ser 10 exc D D 4 WD leaf type springs 68 69 Ser 10 D D 70 Ser 10 Blazer Conv D D exc leaf springs 3881386 2 7 10 39Vz O L 68 70 Ser 10 w leaf springs 3936538 1 6 75 68 67 Ser 20 exc D D 4 WD 68 70 Ser 20 w 127 W B exc leaf type rear springs D D 4 WD 396 3881387 2 7 10 w clamp 67 Ser 30 D D exc 1 1 000 Ib axle 3907835 2 7 40 w clamp 67V 0 L 67 Ser 10 D D 3907832 2 5 60 68V O L 67 70 G 10 w 90 W B 3887792 1 7 10 right 56 z 0 L 67 70 G 10 w 90 W B 3887791 1 7 25 left 51 0 L 67 70 G 20 3887794 1 7 40 right 73 O L 67 70 G 20 3887793 1 7 40 left 94 O L 67 Ser 30 D D w 1 1 000 lb rr axle 3904792 1 9 40 park brake 91 O L 67 Ser 30 w 133 W B exc 11 000 Ib rr axle 1st design 3907284 2 7 65 w clamp 41 O L 67 Ser 20 D D 3907833 1 7 05 w clamp 67V O L 67 Ser 30 w 157 W B 1st design exc 1 1 000 lb axle 3907285 1 8 10 532Vaz O L 67 Ser 30 w 157 W B 2nd design exc 11 000 Ib axle 1971 CHEVROLET MOTOR DIVISION GENERAL MOTORS CORPORATION P A 31 4 779 4 779 4 252 REV 6 71