ENGlNE CLUTCH 0 646 CRANKSHAFT C0n t 6658 Cmvette 427 exc Sp H Per HD 69 Corvette 427 exc Sp H Per H D AL Cyl and Case 3882849 1 137 50 Note 1 Q ervette vv HD 427 3879621 1 148 50 E9 Corvette vv H0 42 3967811 1 148 50 Note 1 58 Corvette 327 exc Sp H Per 3930809 1 121 00 Note 1 2 NOTE 2 Some ear y 7968 327 mode s use 7967 engines bui t to 7968 spec Refer to Note 2 in Group 0033 Corvette vv Sp H Fer 327 3914681 1 132 00 6974 Corvette 350 exc H Per Sp H Per 75 Yiervette 350 exc A l Sp H Pe 3932444 1 121 00 Note 1 69 74 Corvette w H Per Sp H Per 350 3941184 1 132 00 Note 1 3 70 Corvette 454 exc H D A T 3975945 1 137 50 70 Corvette vv A T 454 3967463 1 137 50 Note 1 71 72 Corvette w l 1 Per 454 3993878 1 137 50 71 Corvette w Sp 1 1 Per 454 3963523 1 148 50 73 74 Cervette 454 3967414 1 137 50 NO TE i When used on A T it wi7 be necessary ro remove the pi ot bearing 1 O TE 3 Must be used with Piston and Pin Assy 394254 7 or 3942542 or 3942543 1 649 BEARING Crankshaft Clutch Pilot 53 N3 Corvette 3752487 1 97 bush type az D 13 az O D x 3 11 1 659 BALANCER PULLEY Crankshaft 1 OTE in some cases double groove pu eys may be used in p ace of sing e groove pu eys 53 55 Corvette 6 tzyi 3704338 1 17 75 weight 7 O D pulley V 3 B Note 1 NO TE 7 Assernbiies are so d y bo ted for driving ba ancer onto crankshaft when special driving too is not available Be re must be removed after ba ancer is assemb ed to engine 57 61 iiprvette 62 65 Corvette tcrged crankshaft w 8 cyl exc Sp H Per 1 1 396 3896904 1 17 00 52 68 Corvette vv F I Sp H Per 327 3817173 1 39 60 w 0 pulley hub 8 O D Note 2 NO TE 2 1 1 hen using this par use 3883206 key 85 69 Cervette 396 427 exc Sp 1 Fer HD AL Cyl and Case 3860008 1 20 55 6569 Corvette vv Sp H Per 396 427 3860010 1 20 55 vv 0 pulley 8 0 D 66 Cprvette 4BC vv forged crankshaft 283 327 exc Sp H Per ii Cprvette 327 exc Sp H Per 3896903 1 19 75 w 0 pulley 67 69 Corvette vv HD AL Cyl and Case 427 3879623 1 34 50 69 Corvette 327 exc Sp H Per 3914684 1 19 65 69 25 Corvette vv l l Per Sp H Per 350 6272224 1 40 85 6971 Cnrvette 3501 exc H Per Sp ei Per 6272222 1 23 80 70 Tervette 45 1 e H D 71332 Cervette vv H Per 454 3963529 1 41 35 71 Corvette vvrSp H Per 454 3963530 1 37 60 2275 Corvette 350 exc Sp H Per 6272221 1 20 05 73 74 Cfwvetre 454 330849 1 41 35 55 57 i i rve ite 8 cvl ext C A C Quai 4BC F 1 T rvette 327 exc C A C Sp 1 Per AJR 3755820 1 1 71 PULLEY stamped 3755820 58 57 Corvette vv E 1 dual 480 ilprvette 3742991 1 1 98 PULLEY stamped 3742991 133 66 ilwrvette exc H Per Sp H Per Fil C AC 1 itrvette 1st design exc i AC H Per Sp H Per 3744043 1 3 59 PULLEY double 65 B O D painted black stamped 3744043 Cmvette w P S exc Sp H Per 65 Lr rvette vv P S H Per Sp iir er 327 427 1 tliwvette wi S 427 Sp H Per j 327 ext H Per 457 68 lmvette vv P S 32 7 Sp 1 Per vv C C 2 7 1974 GM PARTS DlVlSlON GENERAL MOTORS CORPORATION CHEVROLET P A 30B 0 645 0 659 0 18 REV 9 74