1946 70 ENGINE ASSEMBLIES I 0 643 RING UNIT Piston Service Sets These units consist at four rings each This part is eligible for wholesale compensation Only three quarters of the components in these units are required for 6 cyl models These are Molybdeum premium rings Original Equipment Type Complete set for one engine per container unless otherwise d 3 note A STD 005 O S 020 O S 030 O S 040 O S 53 62 All 235 3899496 1 54 62 All 261 3901747 1 57 70 All 250 283 307 326400 3892388 328503 1 58 65 All 348 3905 322 1 l 62 70 All 327 350 328506 328516 1 63 70 All 292 326394 326397 1 63 65 All 409 328546 1 65 66 All D351 2464935 8878946 2464936 2464937 A R 65 69 All D DH478 674202 674203 674204 674205 A R 66 70 All 366 3886140 6259692 E 1 68 70 All 427 3892349 3892350 1 Special Replacement Type Complete set for one engine per container unless otherwise noted Cromflex type STD 020 O S 030 0 S 040 0 S 55 56 All 265 3724998 1 54 62 All 235 326350 1 54 62 All 261 3731676 1 57 64 All 283 i 63 69 All 230 68 All 307 328503 1 57 68 All 283 307 63 70 All 230 326400 1 58 65 All 348 3755462 1 g 62 67 All 327 328506 1 63 70 All 292 326397 1 0 646 CRANKSHAFT NOTE 1 Remove clutch pi ot bearing on Automatic equipped jobs NOTE 2 When using on models w P 7Z it will be necessary to use Flywheel 3910366 6 Flywheel Bolts 3910368 3 dowel Pins 3886062 NOTE 3 Includes crankshaft flywheel dowel pins and flywheel bolts 48 53 All 216 3835270 1 ldent 3835271 54 59 All 6 cyl 60 62 All 6 cyl exc Air Equip Tilt 3701486 1 Ident N0 3701488 Note 1 57 All 283 exc P T V 57 59 Ser 4 8 cyl 58 61 All 283 exc L D 59 Ser 6 w L D 283 60 61 Ser 40 283 60 65 Ser 50 283 66 67 All 283 3889303 1 Note 1 62 67 All 327 3889305 1 62 66 Ser 80 6V 53 5144616 1 Ident No 5116030 62 All 409 V 63 Ser 80 w P T 409 exc Tilt 63 Ser 80 409 exc P T 64 65 All 409 3828477 1 Ident No 3824554 63 65 Ser 50 230 3864465 1 Ident N0 3820618 63 66 All w P T 292 I 67 70 All 292 3910362 1 Note 2 65 68 All D DH478 672016 1 65 66 All D351 2454017 1 65 67 Ser 40 50 3 53 51 16447 1 66 70 All 250 exc Tilt 3876840 1 Note 1 66 70 All 366 427 330570 1 68 All 327 3951604 1 Note 1 68 All 307 3930809 1 Note 1 69 70 Ser 40 350 3941180 1 Note 1 69 70 Ser 50 350 3941188 1 GM PARTS DIVISION GENERAL MOTORS CORPORATION CHEVROLET 72TM 0 643 0 646 I 0 24 REV 5 79