68 Soi 10 thru 30 327 3914682 97 50 Note 3 1 68 Ser 10 thru 30 307 68 Pass Corvette 307 327 exc Sp l l Per 3930809 88 35 Note 3 5 l NOTE 5 Some early 19613 327 models use 1967 engines built to 1968 spec Refer to Note 4 in Group 0033 68 Corvette vv Sp I I Per 327 3914681 102 45 1 69 Pass 427 exc l lwPer Sp H Per Police 3937739 93 50 1 69 All 307 327 3941172 90 95 Note SEI 1 69 Ser 10 thru 30 350 exc light duty 3941180 92 50 Note El 1 69 fE5 r 10 thru 30 vviliglil duty 350 69 Pass Corvette 350 ox H Pt er 3932444 92 50 Note El 1 69 Corvette vv I I Per Spec Il Per 350 3941184 99 50 Note 6 1 NOTE 6 lVlust Ire used vvith Piston and Prn Assy 3942541 or 3942542 or 3942543 63 66 ll 292 exc AT 3909427 119 60 CRAI lK HA FT UNIT vv flywheel Note 7 1 63 66 All vv PG 292 3914064 150 20 CRANKSHAFT UNIT vv flywheel Note 7 1 NOTE 7 Includes crankshall llyvvheel dovvel pins and flywheel holtza KIOTE 3 V hen used on A1 at will he necessary to remove the pilot het irirrg 0 649 BEARING Cir mkshaftt Clutch Pilot 38 39 All ext C C D C 907321 2 64 ND 7109 l3 gz l D 1l3 3 0 D x Ilrgp 1 39 69 All Corvette exc 3 53 3752487 85 bust type 3 3y I D 13 gy O D x 3 Q 1 0 659 BALANCER PULLEEY HUB KEY Cranl slhaaft l Crankshatt harnronitt ha z ncer is also referred to as torsional tlarnper 41 52 All 216 53 ll Ton 216 605203 14 20 cast 838863 3 vviclth thru huhi6l dia l lote 1 1 41 52 All 235 53 55 Util 235 261 1stSer 3701930 14 55 weight 7l O D pulley V 5 8 Note 1 1 53 Sdl Comin exc D D 3704339 13 00 lvverglit 6 R O D pulley V 3 Note 1 1 53 Pass D D exc Sdl P S 53 55 Corvette 6 cyl 54 Pass exc P S 54 55 Coinnw lst Series 37042338 14 55 weight 71 O D pu Iey V 3 g Note 1 1 53 54 All vv P S 3705099 13 35 douhle pulley Note 1 1 55 59 Pass 6 cyl 55 62 Pass 6 cyl exc P S CA C Cool Pack 3711804 14 55 vv p illey vveight 723 GA O D Note 1 2 1 NOTE 2 When used on 1955 All 6 cy 3723794 spacer must he used t0 accomodate oil slinger 55 59 3 6 cyl 2nd Ser 60 62 Ser 10 thru 30 6 cyl 63 4 VD 6 cyl lst Ser 3714444 13 60 stamped Tl Note 1 1 55 61 All 8 cyl exc 409 57 61 Corvette 62 65 Pass Corvette lforgetl crankshaft vv 8 cyl exc Sp H Per E I 396 409 64 6 7 All vvrinodular crankshaft 283 68 All 307 3861970 15 70 vv o pulley huh 4l O D 1 56 69 All vv C A C Cool Pack 6 ttyl 3737510 18 70 clouxvle pulley 7 2 dia 1 60 62 Pass vv P 5 C A C Cool Pack 6 cyl 60 62 Ser 10 thru 30 vv Cool Pack 6 cyl 3772879 14 90 vv pulley 1 61 62 Pass 409 2nd design 63 Pass vv H Per dual 4BC 409 exc RPO Z11 64 65 Pass 409 vv l Per dual 4BC 37967 69 16 90 vv o pulley huh st A O D 1 62 68 Corvette vv F I Sp I l Per I 327 3817173 32 45 vv o pulley huh 8 OD Note 3 1 NOTE 3 When using this part use 3883206 key 62 Ser 10 thru 30 vv 62 ainp A C Gen 6 cyl 63 4 V D 6 cyl lst Ser 3740518 19 65 w pulley double huh 733 gf clia 1 63 66 Ser 10 thru 30 292 lst design 1 1969 Cl E FKOLET I IOTOR DIVISION GENERAL MOTORS CORPORATlON REV 7 1 69 P 0 41 0 646 0 6