56 PASS w dual 4BC exc P B C A C 56 57 CORV wWdual 4BC F l 57 PASS w du 14BC exc PD P S C A C 57 58 PASS w F l 55 56 Ser 3 4 6 8 cyl 57 58 Ser 3 4 8 cyl 58 CORV lst design V 4 PULLEY balancer 3742991 1 1 40 84 58 PASS w C A C Cool Pack Air S 8 cyl 58 PASS 3 2BC w H L Cam 2nd design PULLEY balancer double 6 O D 58 Ser 6 8 cyl exc P S painted black 3747479 1 2 60 156 58 PASS w C A C Cool Pack Air S PULLEY balancer front 3751859 1 1 65 99 58 CORV 2nd design PULLEY balancer l 3756328 1 1 50 90 57 PASS CORV 11 1 wr H L Cam WASHER UNIT balancing 3716306 1 65 39 NO l E When installing 603447 on 1937 38 jobs discard crankshaft oil thrower iNO 1 E When used on 1955 ALL 6 cyl 2nd Ser 3723794 spacer must be used to accom modate oil slinger NOTE Used when installing domed pistons in place ot flat on original crankshaft QBNOTE Previously released in 1959 P A 39 Note Assemblies are solidly bolted for driving balancer onto crankshaft when special driving tool is not available Bolts must be removed after balancer is assembled to engine 0 662 SPACER PIN Harmonic Balancer 55 ALL 6 cyl 2nd Ser UBGQ O D x U4 ID 3723794 1 15 9 55 CORV w dual 48C 57 58 CORV 1 OD x 1 LD 3734984 1 15 9 58 PASS 348 PTN 8 x l type F 9409690 A H 8 940 0 666 FLYWHEEI with Ring Gear 38 39 COMM UTIL exc Q TON cast 838663 5 UC timing mark 88 clockwise from dowel hole has 9 holes tar clutch cover 838664 1 12 05 723 40 41 KD KE KF W A Y H D clutch on AG cast 839563 has 9 holes for clutch AH AK cover 839564 1 12 05 723 42 53 PASS lg TON exc HD clutch P G cast 839754 has 6 holes tor clutch cover stmpd 2 UC 3705385 1 14 85 891 42 53 PASS lg TON w HD clutch has 9 holes tor clutch cover stamped 42 53 f 1 TON UTIL 2 UC 3705387 1 24 85 891 50 54 PASS w P G 53 55 CORV w PG 6 cyl 3705386 1 11 60 696 54 PASS COMM exc P G H T D D 55 COMM lst Ser exc H T D D cast 3705410 3704831 1 14 85 891 54 lg TON w H T 54 55 COMM w H l lst Ser exc L TON 139 teeth 8615138 1 25 00 1500 54 55 COMM w H D clutch lst Ser 54 55 D D UTIL lst Ser cast 3705410 3703579 1 14 85 891 55 58 PASS 6 cyl exc P G H D clutch 9lQ clutch 55 58 COMM 6 cyl 2nd Ser exc H T D D HD clutch 10 clutch cast 3705410 3705409 1 17 15 1029 55 58 PASS w HD clutch 6 cyl 55 58 COMM UTIL w 1 l D clutch 6 cyl 2nd Ser cast 3705410 ll clutch 3836522 1 17 15 1029 55 58 PASS w P G 6 cyl 3836268 1 12 85 771 55 58 CORV 8 cyl exc P G 55 PASS 8 cyl exc A T HD clutch 4BC C A C 56 57 PASS 8 cyl exc A T H D clutch 58 PASS 283 exc A T HD clutch O D 4 SPD cast 3729004 10 clutch 3729003 1 17 15 1029 55 56 PASS 4BC w HD clutch 55 CORV 8 cyl exc PG 55 58 COMM UTIL 8 cyl exc H T 57 58 PASS w HD clutch 4 SPD 8 cyl exc 4BC dual 4BC 348 58 PASS w O D 8 cyl cast 3714463 168 teeth 3714462 1 17 15 1029 55 58 PASS CORV wYP G 8 cyl 3701681 1 10 85 771 55 1 2 TON w H T lst Ser 55 58 ALL 6 cyl w l 1 T 2nd Ser 168 teeth 8615574 1 25 75 1545 55 58 ALL w H T 8 cyl 168 teeth 8617327 1 2 5 35 1581 57 58 PASS w T G exc 3 2BC spoke type 3752787 1 13 50 810 58 PASS 348 exc A T lst design w coil spring clutch 3739423 1 20 10 1206 I REVISED JANUARY l 1959