63 66 Ser 50 60 w Cool Pack C Deluxe 8 cyl exc Air Equip PULLEY 3827843 1 3 68 f 63 65 Ser 60 Custom Air Cond w Air PULLEY front 6 A6 O D stamped Equip 292 exc TILT 3774901 3774901 1 2 36 65 66 ALL 351 478 PULLEY crankshaft 3 groove 24538880 1 13 25 65 Ser 60 478 exc TDM 65 Ser 80 TILT 478 65 Ser 60 TDM w P S 478 65 66 Ser 50 TILT w brake booster 351 PULLEY crankshaft 1 groove 24597870 1 8 75 65 66 ALL w Air Cond 292 PULLEY front 3865792 1 4 45 65 ALL 8 cyl exc 283 TILT 66 Ser 60 327 PULLEY crankshaft 3867176 1 6 45 65 Ser 50 159 PULLEY 5121108l 1 5 58 63 65 Ser 50 w for ged crankshaft 283 HUB pulley or balancer 3795272 1 6 05 65 66 ALL w key 4 across flat x A wide KEY crankshaft pulley hub 3883206 A A R 10 65 66 ALL w key 1 across flat x Xb wide x ZZ high KEY crankshaft pulley hub 3885092 A 1 10 ANOTE Used with pulleys and hubs having a shallow M6 deep Keyway only All full depth W slots take standard woodruff key in group 8 960 0 662 WASHER CONE SHAFT SPACER NUT RETAINER WEIGHT WEIGHT UNIT BOLT RING Harmonic Balancer and Crankshaft Pulley 56 59 ALL 322 balancer to crankshaft IZ I D x 1 O D x 6 thk 1169140 1 50 58 ALL 348 59 Ser 7 8 348 60 64 Ser 60 thru 80 63 64 Ser 50 292 I 65 66 ALL 327 348 409 balancer 2 1 D x 1 O D x 65 66 TILT 283 thick 3739422 1 35 65 66 ALL 351 478 bal to crank bolt x 2 0 D 23710860 1 75 65 66 ALL 351 478 cam bal shaft idler gear thrust 23778080 1 90 66 ALL 366 balancer 3864814 1 45 65 66 ALL 351 478 CONE bal to crank 23825480 1 2 60 62 66 Ser 60 212 SHAFT balancer 5121074l 1 35 58 65 66 ALL 351 478 SHAFT balancer 24721780 1 28 75 65 Ser 50 159 SHAFT balancer 5121073l 1 30 33 55 Ser 4 6 SPACER baiancer IW O D X 1 LD 3723794 1 15 62 66 ALL 159 212 318 SPACER balance shaft pulley 5121071l 1 2 10 62 66 ALL 159 212 318 NUT gear and pulley to shaft 1 18 5150087l A R 47 65 66 ALL 159 212 318 RETAINER crankshaft pulley 5180291l 1 47 62 I Ser 60 212 WEIGHT inner balance shaft gear 5126197l A R 1 49 63 66 Ser 60 212 WEIGHT inner balancer shaft gear 5119278l 2 2 33 62 66 ALL 159 212 WEIGHT outer balance shaft gear 5109874l A R 76 65 ALL 351 WEIGHT shaft center 24540250 2 5 75 65 ALL 478 WEIGHT shaft center 24540090 2 6 50 66 ALL 478 WEIGHT shaft center 24850660 2 7 10 66 ALL 351 WEIGHT shaft center 24850670 2 6 35 56 59 ALL 322 WEIGHT UNIT balance 3751840 T 1 2 25 TNOTE Required for engine balance when installing late design pistons See Group 0 629 63 64 Ser 60 327 65 66 TILT 283 65 TILT 327 BOLT Z 20 x 2 A 3815933 1 55 65 66 ALL 351 478 BOLT bal shaft center lock 24540190 2 20 65 Ser 60 327 exc TILT 65 Ser 80 348 exc TILT BOLT M6 20 x 2 186669 1 15 65 66 ALL 351 478 RING crankshaft damper 24852020 1 0 666 FLYWHEEL DISC ASSY DlSC SPACER UNIT w Ring Gear SS 59 ALL w H T 8 cyl 168 teeth 8617327 1 23 90 55 62 ALL w H T 6 cyl 2nd Ser 168 teeth 8615574 1 30 05 55 62 ALL 6 cyl exc A T solid type cast 3705410 3789730 1 17 120 S5 Ser 4 5 6 8 cyl exc A T 56 64 ALL 8 cyl exc A T 322 327 348 409 H D Clutch 61 Ser 60 w H D Clutch 283 63 64 Ser 50 60 6 cyl exc P T 65 ALL 230 292 65 ALL 283 exc P G solid type cast 3714463 3758595 1 20 10 1966 Chevrolet Motor Division 103 0 l659 g General Motors Corporation REVISED MAY l 1966