0 636 PIN Piston STD 015 O S 003 O S 005 O S Length 38 53 All 3701395 602319 3 6 54 62 All 235 3743024 3703686 3704881 3704882 3 6 54 62 All 261 3743023 3707495 3707496 3707497 3 V z 6 62 69 All 3 53 4 53 6V 53 5116189 A R STD 001 0 S 002 0 S 65 69 All D DH478 2448952 2448953 2448954 A R 65 66 All D351 2451998 2451999 2452000 A R This part is eligible for wholesale compensation 0 639 RETAINER RING Piston Pin 62 69 All 3 53 4 53 6V 53 5180250A R 11 65 69 All D351 D DH478 2448951 12 16 RING retaining 0 643 RING UNIT Piston Service Sets NOTE Individual cylinder piston ring units std size only for warranty replacement in a single engine cylinder may be ordered thru the local G M P D warehouse Refer to ACNC6775 Identify by engine model and year Each of these std size piston ring units include the necessary components ring spacers segments expanders required for replacement in a SINGLE engine cylinder Original Equipment Type Complete set for one engine per container STD 005 0 S 020 0 S 030 O S 040 O S 55 57 All 265 3905309 1 53 62 All 235 3899496 3899498 1 54 62 All 261 3901747 3901748 3901749 1 57 70 All 250 283 307 3892385 3892388 3892392 1 58 65 All 348 3905322 3905324 1 62 70 All 327 350 3892364 3892365 3892366 1 62 69 All 3 53 4 53 6V 53 5196833 A Fl 63 70 All 292 A 3892372 3892373 3892374 1 63 65 All 409 3905331 3905332 3905333 1 65 66 All D351 2464935 2471944 2464936 2464937 A R 65 69 All D DH478 674202 2471939 674204 674205 A R 66 70 All 366 3886140 5 3886142 3886155 F 1 68 70 All 427 3892349 3940956 3892350 1 NOTE 2 This Ring set contains 1 ring piston compression top 3 ring piston compression 4 ring piston A oil control half 2 expander oil control ring Special Replacement Type Complete set for one engine per container Cromflex type STD 020 0 S 030 O S 040 O S 38 53 All 216 3704008 50 53 All 235 3704030 55 56 All 265 3724998 1 54 62 All 235 3713002 3713003 3713004 3713005 1 54 62 All 261 3731676 3731681 3731685 3731689 1 57 64 All 283 63 69 All 230 68 All 307 3747549 3747558 3747567 1 57 68 All 283 307 63 70 All 230 3947057 1 58 65 All 348 3755462 3755463 3755464 3755465 1 62 67 All 327 3799438 3799448 3799458 1 63 70 All 292 3846206 3846207 3846208 3846209 1 2 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 These are Cromflex rings 7 These ring units contain Vu comp rings 0 646 CRANKSHAFT WEIGHT UNIT 48 53 All 216 3835270 1 103 40 ldent 3835271 54 59 All 6 cyl 60 62 All 6 cyl exc Air Equip Tilt 3701486 1 100 95 Ident No 3701488 Note 1 56 59 All 322 1165373 1 106 10 ldent No 1342999 57 All 283 exc P T 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 99 25 Note 1 58 65 All 348 3828836 1 62 67 All 327 3889305 1 109 50 1971 CHEVROLET MOTOR DIVISION GENERAL MOTORS CORPORATION P A 31S REV 6 71 0 27 0 636 0 646