56 57 Ser 6 8 cyl 57 PASS 8 cyl w C A C double pulley 373537469 1 10 00 57 PASS w T G w cv pulley 3743319 1 13 50 57 PASS w 1 G exc C A C dual 4BC PULLEY balancer 3743587 l 95 57 PASS w T G cmd C A C exc dual 4BC PULLEY balancer 3743588 1 1 50 57 PASS w T G and dual 4BC PULLEY balancer 3742991 1 1 25 NOTE When installing 603447 on 1937 38 jobs discard crankshaft oil thrower TNOTE When used on 1955 ALL 6 cyl 2nd Ser 3723794 spacer must be used to accom modate oil slinger GQNOTE Also used on 1 956 Ser 4 w H D 8 cyl engine INOTE Not used on 1956 Ser 4 w H D 8 cyl engine but used on 1955 2 Ton 8 cyl 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 Harmonic Balance 55 ALL 6 cyl 2nd Ser 1 O D x 1 I D 3723794 1 15 56 CORV w dual 4BC 57 CORV 1 O D x 1 I D 3734984 1 15 0 666 FLYWHEEL with Ring Gear 38 39 COMM UTIL exc TON cast 838663 5 U C timing mark 88 clockwise from dowel hole has 9 holes for clutch cover 838664 1 10 95 40 41 PASS TON cast 839563 and 839754 has 6 holes for clutch cover 839562 1 10 95 40 41 KD KE KF W A Y hvy duty clutch on cast 839563 has 9 holes for clutch AG AH AK 1 cover 839564 1 10 95 42 53 PASS TON exc hvy duty clutch cast 839754 has 6 holes for clutch P G cover stmpd ZIUCA 3705385 1 11 85 42 53 PASS TON hvy duty clutch has 9 holes for clutch cover stamped 42 53 1 TON UTIL 2 UC 3705387 1 11 85 50 54 PASS w P G 53 55 COHV 6 cyl w P G 3705386 1 9 85 54 PASS COMM exc P G H T D D 55 COMM lst Ser exc H T D D cast 3705410 3704831 1 11 85 54 l TON w H T 54 55 COMM w H T lst Ser exc LQ TON 139 teeth 8615138 1 22 65 54 55 COMM hvy duty clutch lst Ser 54 55 D D UTIL lst Ser cast 3705410 3703579 1 11 85 55 57 PASS 6 cyl exc P G hvy duty clutch 9 clutch 55 57 COMM 6 cyl 2nd Ser exc H T D D hvy duty clutch l0 clutch cast 3705410 3705409 1 14 60 55 57 PASS 6 cyl hvy duty clutch exc P G 55 57 COMM UTIL 6 cyl hvy duty clutch 2nd Ser cast 3705410 11 clutch 3836522 1 14 60 55 57 P ASS 6 cyl w P G 3836268 1 10 95 55 CORV 8 cyl exc P G 55 56 PASS 8 cyl exc P G hvy duty clutch 4BC C A C dual 4BC cast 3703870 l0 clutch 3703868 1 14 25 55 56 PASS w 4BC and hvy duty clutch 55 CORV 8 cyl exc P G 55 57 COMM UTIL 8 cyl exc H T 57 PASS 8 cyl w hvy duty clutch exc 4BC dual 4BC cast 3714463 168 teeth 3714462 1 14 60 55 57 PASS CORV 8 cyl w P G 3701681 1 10 95 55 TON w 1 1 T lst Ser 55 57 ALL 6 cyl w H T 2nd Ser 168 teeth 8615574 1 21 25 55 57 ALL 8 cyl w H T 168 teeth 8617327 1 21 25 56 PASS w dual 4BC exc P G 56 57 CORV exc P G 57 PASS 8 cyl exc hvy duty clutch A T 10 clutch coil spring cast 3729004 3729003 1 14 60 57 PASS w T G lst design 147 gg dia 3727227 1 10 95 57 PASS w T G 2nd design 14Y dia 3744197 1 10 95 147 0 659 0 666