60 62 PASS w C A C Cool Pack P S 6 cyl PULLEY balancer front stamped 3772885 double 3775674 1 3 35 63 Ser 10 D D w 62 amp A C Gen 4 cyl PULLEY balancer front stmpd 3790327 3790327 1 1 95 63 PASS w C A C Cool Pack P S 62 amp A C Gen 6 cyl 63 Ser 10 thru30 w 62 amp A C Gen 230 PULLEY balancer front stamped 3790337 3790337 l 1 95 63 Ser 10 D D 4 cyl PULLEY stamped 3793717 3793717 1 1 60 63 Ser 10 thru 30 w Cool Pack 230 PULLEY balancer 3827815 1 7 50 63 Ser 10 thru 30 w Cool Pack 292 PULLEY balancer front 3827819 1 3 25 63 Ser 10 thru 30 w Cool Pack 283 PULLEY balancer 3827843 1 3 30 63 Ser 10 D D HUB pulley 4 dia 3788523 1 5 25 57 PASS CORVETTE F I w H L Cam WASHER UNIT balancing 37l6306 1 65 NOTE When installing 603447 on 1938 jobs discard crankshaft oil thrower tNOTE When used on 1955 ALL 6 cyl 3723794 spacer must be used to accommodate oil slinger NOTE Used when installing domed pistons in place of flat on original crankshaft Note Assemblies are solidly bolted for driving balancer onto crankshaft when special driving tool is not available Bolts must be removed alter balancer is assembled to engine 0 662 SPACER PIN SCREW ASSY BOLT WASI IER Harmonic Balancer and Crankshaft Pulley 55 ALL 6 cyl 2nd Ser balancer 1 O D x UQ LD 3723794 1 15 56 CORVETTE w dual 4BC 57 62 CORVETTE balancer 1 O D x 1 l D 3734984 1 15 58 61 PASS 348 PIN balancer x l type F 9409690 A R 8 940 63 Ser 10 D D 4 cyl SCREW ASSY w lockwasher 24 x 3793101 1 62 63 CORVETTE w Sp H Per F l BOLT G 20 x 2 3815933 1 0 002 62 63 PASS 409 62 63 CORVETTE w Sp H Per F 1 63 Ser 10 thru 30 292 WASHER 3739422 1 35 0 666 FLYWHEEL with Ring Gear 42 53 PASS Z Q TON exc H D Clutch P G cast 839754 has 6 holes for clutch cover stmpd 2 UC 3705385 1 15 20 42 53 PASS Q g TON w H D Clutch has 9 holes tor clutch cover stamped 42 53 1 TON UTIL 2 UC 3705387 1 15 20 50 54 PASS w P G 53 55 CORVETTE w P G 6 cyl 3705386 1 11 90 54 PASS COMM exc A T D D 55 COMM 1st Ser exc H T D D cast 3705410 3704831 1 15 20 54 TON w H T 54 55 COMM w H T lst Ser exc TON 139 teeth 8615138 1 25 00 54 55 COMM w H D Clutch lst Ser 54 55 D D UTIL lst Ser cast 3705410 3703579 1 15 20 55 62 PASS 6 cyl exc P G H D Clutch 9 clutch 55 62 ALL w 10 Clutch 6 cyl exc PASS A T cast 3705410 3705409 1 17 60 55 62 ALL w l l Clutch 6 cyl cast 3705410 3836522 1 17 60 55 62 ALL w P G 6 cyl 4 2 center hole 3781962T 1 13 25 55 PASS 8 cyl exc P G H D Clutch 4BC C A C 55 62 CORVETTE 8 cyl 2nd design exc P G 56 PASS w 2BC exc H D Clutch 56 PASS w 4BC 57 58 PASS 283 exc A T H D Clutch dual 4BC F l w 4 Spd 58 PASS 348 lst design exc A T 59 61 PASS 283 exc A T O D 61 PASS 409 62 PASS 8 cyl exc P G w l0 coil and diaphragm spring clutch 63 Ser 10 thru 30 230 exc D D P G H D Clutch 4 SPD 63 Ser 10 D D 4 cyl exc P G 63 PASS 409 exc P G 11 bolt circle cast 3729004 3739423 1 20 60 Chevrolet Motor General Motors Corporation