60 62 All w Cool Pack 6 cyl 3772879 1 15 50 w pulley hub 6 V dia 60 62 Tilt 6 cyl 3768730 1 34 20 w pulley double hub 6 V dia 60 65 All 348 409 exc Tilt 3955288 1 w 0 pulley 60 65 Ser 60 80 Tilt 348 409 3829093 1 36 50 w pulley triple 60 64 Ser 60 Tilt 8 cyl 65 67 Tilt 283 327 3829092 1 36 50 w pulley triple 63 65 Ser 50 60 292 1st design 66 67 All 292 2nd design 3857352 1 w pulley double 6 O D 63 65 Ser 50 230 exc Tilt 3826280 1 13 25 vv pulley timing mark on front face 30 degree left 65 68 Tilt 230 250 3864462 1 18 90 65 66 All D DH478 2467444 1 45 90 65 66 All D351 2451607 1 45 40 65 66 Ser 60 327 exc Tilt 67 68 All 327 3894331 1 18 50 w o pulley 12 VI holes in weight drill pin balanced torsional Note 2 66 Ser 50 250 exc Tilt 67 70 Ser 40 250 3896590 1 13 10 w 2 groove pulley Note 2 66 70 All 366 3859932 1 w 4 groove pulley 66 Ser 50 w forged crankshaft 283 2nd design exc Tilt 3896903 1 16 85 w o pulley Note 2 68 70 All 427 3916187 1 38 35 68 70 All 292 3980230 1 21 85 w pulley 3 groove 7 0 D 68 Tilt 307 327 3914683 1 25 95 69 70 Ser 50 Tilt 350 3947714 1 29 75 69 70 All 350 exc Tilt 3947704 1 20 30 55 56 Ser 5 1st design exc P S 55 56 Ser 6 8 8 cyl 1st design exc A O H B 55 62 Ser 4 8 cyl 60 62 Ser 50 8 cyl exc 40 50 amp L C l 62 amp AC gen 3742991 1 1 70 PULLEY stamped 3742991 55 58 Ser 5 w P S A O H B 59 Ser 5 w P S exc L A O H B 58 59 Ser 6 w A 0 H B 8 cyl 56 59 Ser 7 283 56 59 Ser 8 w Air Equip 283 60 61 Ser 50 w 40 50 amp L C I 8 cyl 60 61 Ser 60 thru 80 8 cyl 62 Ser 40 50 w 62 amp AC gen 8 cyl 62 64 Ser 60 80 8 cyl exc Tilt 63 66 Ser 50 283 exc Tilt 3858533 1 3 00 PULLEY double stamped 3766987 56 59 All 322 3731350 1 7 95 PULLEY rear double stamped 3731350 56 57 Ser 5 2nd design exc P S 56 57 Ser 6 8 8 cyl 2nd design exc A O H B 58 Ser 5 exc P S A O H B 58 59 Ser 6 8 cyl exc P S A O H B 59 Ser 4 w Cool Pack 8 cyl 59 Ser 5 exc P S 59 Ser 7 348 58 59 Ser 8 9 10 exc 322 Air Equip 60 62 All w Cool Pack 8 cyl Air Equip 67 Ser 40 283 exc D D SBC Tilt P S 68 Ser 40 8 cyl exc D D SBC Tilt 3747479 1 3 20 PULLEY double 6 O D painted black 58 59 All w Air Equip 348 3743851 1 2 80 PULLEY front stamped 3743851 60 61 All w Cool Pack 6 cyl 62 All w Cool Pack 6 cyl exc P S 3772886 1 3 70 PULLEY single stamped 3772886 60 63 Ser 60 Air Equip w Cool Pack 8 cyl 3828936 1 PULLEY double 1 1971 CHEVROLET MOTOR DIVISION GENERAL MOTORS CORPORATION P A 31Sj REV 6 71 0 ze 0 659 0 659