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Buick Nailhead Casting Numbers

Block Cast # Year Displacement 1169334 56-59 322 1173201 57-60 364 1172889 60 401 1174372 57-58 364 1185484 59-60 401 1185404 61-66 401 1185485 61-66 401 1196546 61 401 1196547 61 364 1340146 63-66 425 1346046 61-66 401 1349046 62-66 401 1354704 63-66 425 1354713 64-66 425 1354714 64-66 425 1364704 63-66 425 1364705 64-66 401/425 1364707 63 425 1364714 64-66 401 1390972 1953 322 1391629 1954 dyna. 264 1391753 1954 322 1391871 1954 std. 264 1392101 1955 322 1392102 1955 std. 322 1392290 1955 dyna. 322 1392291 1955 dyna. 322 1392586* 1956 dyna. 322 1392734 1956 322 *Chev truck Intake Manifold Cast # Year Displacement 1162286 53 322 4bbl 1163206 54-55 322 4bbl 1165308 53-55 322 2bbl 1165308 1169189 man. trans. 1170624 55 322 2bbl 1165384 55 322 4bbl 1169189 55 40 std. 1170624 56 322 2bbl 1170625      50/60/70 56 322 4bbl 1175327 57-61 364 2bbl 1175328 57-61 364 4bbl 1173313 57-61 364 4bbl 1187708 59-62 401 4bbl 1349425 62 401 2bbl 1353531 63 401 4bbl 1355410 63 401 2bbl 1357106 64 425 2x4bbl 1363782 64-65 4bbl GS 400 and others 1370316 65-66 425 2x4bbl 1375118 66 401 4bbl 1375518 66 401 4bbl 1375548 63 425 1375548 64-66 401 4bbl

Head Cast # Year Displacement 1344214 1953 322 1343840 1953 322 1165549 54 264/322 1166349 54-56 264/322 1168930 56 322 1169349 56 322 1172889 59-60 364/401 1175109 56-59 322* 1185485 61-66 364/401/425 1190415 62-66 364/401/425 1196914 59-66 364/401/425 1374603 64-66 401/425 1376912 66 401/425 *Chev truck Exhaust Manifold      Cast # Year Displacement 1165212 right 1345564-5left 54-55 264/322 1168110 right 1169265 left 56 322 1168110 right 1169001 left 56 322 1175576 right 1175575 left 56 322 1175576 right 1175581 left 56 with duals and series 70 322 1185463 right 1185463 left 57-58 364 1185602 right 1185603 left 59-60 364, 401 1185602 right 1186291 left 59-60, duals 364, 401 1187336 right 1185463 left 57-58 RM, Limited 364 1196974 right 1196457 left 61 364, 401 1345564-5 right 1345564-5 left 53 322 1351702 right 1348477 left 62 401 1377476 right 1372319 left 65-66 GS 401 1377480 right 1348477 left 64 401, 425 1377480 right 1367159 left 65-66 401, 425 1396568 right 1348477 left 63 401, 425

contributed by Steve Berry

322 8 1/4" 364 8 3/4" 401-425    9" Looking at a aftermarket nailhead manifold and wondering what it will fit? Try this, measure between the bolt holes...

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