59 60 All 573345 2 15 PLUG cup cyl block water by Dass 1 dia w 7 i hole llll 59 64 Exc FB5 188 555595 5 25 PLUG cup cyl block 2V dsa 4 4 61 53 FB5 8 970 9427468 4 8 25 PLUG cup cyl block 1 dia 61 63 F85 1 8 970 9427457 AR 25 PLUG cup cyl block 1i dia g 51 64 Exc F85 or JB8 580606 2 10 PLUG cup cyl block water by pass dia w y hole l 61 53 F85 1 9427467 AR 25 PLUG cup cyl block 06 0 5 61 63 FB5 348730 AR 30 PLUG cup oil pass lrt O30 0 9 62 64 Exc F85 or J88 564999 4 25 PLUG cup cyl block Wu dia 57 64 See Group 5 505 For Usage 518026 1 25 PLUG cup 64 F85 188 588527 1 25 PLUG camshaft rear bearing 098 die 64 55 V6 8 970 9427468 4 8 25 PLUG cup cyl block WJ dia 64 65 V6 1 8 970 9427467 AH 25 PLUG cup cyl block 1 dia 64 65 V5 0 553 1172025 1 25 PLUG cup cm s rear 64 72 V8 360254 4 20 PLUG cup cyl head 1 65 72 V8 588527 1 25 PLUG camshaft rear bearing 2 098 dla 66 71 L6 3835577 1 10 PLUG cup oil passage Yg 0 0 l 66 71 L6 3789660 1 20 PLUG cup water jacket rear 2 0 0 66 71 L5 0 553 Zl 3704158 1 15 PLUG cup camshaft rear 2V 3 1971 1st type no identification mark on plug 66 71 L5 838538 3 20 PLUG cup cyl black 1 L H 66 71 L5 3788416 3 20 PLUG cup cyl head A 1 71 F85 L6 0 553 Z 3997752 1 10 PLUG cup camshaft rear brg 2 1971 Znd type identify by diamond shaped mark with letter M embossed in center 66 57 V8 3940I6 8 41 PLUG cyl head spec for plugging A I R holes V1 y 1 8 1 0 034 PLUG DRAIN COCK ENGINE PIPE l 49 63 Exc F55 555778 1 41 PLUG Dive cyl block LH inner A I 49 62 Exc F85 557702 1 25 PLUG pipe cyl block R H oil pass V 16 l I 57 63 Exc F85 571386 1 25 PLUG pipe cyl block R H rear countersunk head 1 lass W a1 es Fas 578811 4 41 PLUG vine cyl hd t 1 socket head W 14 l 61 63 F85 8 971 444577 2 05 PLUG cyl block drain A sq hd stainless steel l 6I 63 F85 8 971 444782 2 10 PLUG cyl block oil passage resr 4 18 63 Exc F85 38010I 2 25 PLUG all Dass fn 16 hex hd 64 All 380101 Z 25 PLUG all pass frt 18 hex hd 1 64 F85 V5 8 971 444613 2 10 PLUG pipe cyl block drain l 64 65 V6 8 971 444746 2 10 PLUG eng oil passagsrear K 14 V 64 65 V6 8 971 444776 Z 15 PLUG plpe rear oil pass drain 64 67 V8 571388 1 25 PLUG viva cyl black R H countersunk headless 1 socket Vx 64 71 V8 8 971 444577 2 4 05 PLUG pipe W aq hd stainless steel 1 66 7I L5 8 971 444782 1 10 PLUG cyl block oil passage rear 18 67 72 VB 404199 LH 25 PLUG oil passage rear 65 72 V8 380101 HH 25 PLUG oil passage hex hd I 8 thread front 55 72 V8 390895 LH 30 PLUG cil passage hex hd 1V 15 thread front 66 70 V8 8 971 444762 RH 10 PLUG cyl block oil passage rear U IB 1 49 64 All 6 951 9427524 2 56 DRAIN COCK l NOTE For additlonal standard size plugs see groups 8 970 8 971 In the standard pans section I 1 Use when necessary ln place of 1351516 tc prevent leaks 0 034 HEATER ASSY ENGINE CYLINDER BLOCK 59 64 Exc F85 or J86 385165 1 12 90 HEATER ONLY 0 040 GASKET SET ENGINE CYLINDER BLOCK INSTALLATION l 59 588 98 576349 1 18 00 GASKET SET wf 050 hd gaskets l 59 88 579396 1 16 20 GASKET SET w 025 hd gaskets 7 80 All 579396 1 18 20 GASKET SET w 025 hd gaskets 61 62 Exc F85 581422 1 16 35 GASKET SET w 025 hd gaskets r 61 53 FB5 3 581340 1 9 25 GASKET SET wf 020 hd gaskets 63 54 Exc F85 or 188 380014 1 16 20 GASKET SET w 020 hd gaskets 64 F85 J88 V8 385126 1 8 40 GASKET SET wl 020 hd gaskets l 65 400 425 Eng 391594 I 12 60 GASKET SET A 65 67 330 Eng 1 391592 1 9 45 GASKET SET W 025 head gaskets 6667 400 425 Eng exc Tor 393960 1 12 75 GASKET SET W 0Z5 head gaskets 67 F85 330 Eng Z 231292 1 I4 35 GASKET SET W 025 head gaskets 66 67 Tor 391920 1 12 75 GASKET SET W 025 head gaskets l 68 72 350 Eng 231292 1 14 35 GASKET SET w Cl25 head gaskets l 68 69 400 455 Eng exc Ter 231293 l 15 05 GASKET SET w 025 head gaskets 66 72 Ter 231294 1 15 05 GASKET SET w 025 head gaskets 70 350 Eng 230902 1 GASKET SET 1 J 70 72 455 Eng exc Ter 231293 1 15 05 GASKET SET 1 Q 1 Used on 1957 F85 Engines with serial Prefix W or 5W 2 Used on 1967 F85 Engines with serial Prefix 4W cr BW l 3 Less Intake manifold gasket See group 3 270 0LD MOBlLE DIVISION GENERAL MOTORS CORPORATION l REV JAN 1972 0 5 0 034 0 040