Crankshaft

Chrysler________________________________
These numbers include the Spitfire engines.
Caution: Crankshaft number 1323335 is specific to the 1951-1953 extended block engines including Truck, Marine and Industrial of any year with the extended block. The crank flange projection is approximately 0.200″ shorter than other cranks. Using the incorrect crank in a block will provide alot of grief and head scratching. Additionally, these crankshafts can also be identified by the smaller diameter oil holes drilled through the journals, 0.180″ vs 0.250″ on later cranks.
301 …………… 1335001
Stroke = 3.625″, 2.500″ diameter main journal; 2.250″ diameter rod journal.
331 …………… 1323335, 1335001, 1409421, 1419421, 1523335, 1619421, 1619647
Stroke = 3.625″ 2.500″ diameter main journal; 2.250″ diameter rod journal.
354 …………… 1335001, 1409421, 1419421, 1523335, 1617184, 1619421, 1619647, 1635690
Stroke = 3.625″ 2.500″ diameter main journal; 2.250″ diameter rod journal.
392 …………… 1673755, 1673758
Stroke = 3.906″ 2.6875″ diameter main journal; 2.375″ diameter rod journal.

DeSoto_____________________________________
276 …………… 1327417, 1402034
Stroke = 3.3437″ 2.375″ diameter main journal; 2.062″ diameter rod journal.
291 …………… 1402034, 1402624, 1409624
Stroke = 3.3437″ 2.375″ diameter main journal; 2.062″ diameter rod journal.
330 …………… 1635785, 1636609
Stroke = 3.7969″ 2.500″ diameter main journal; 2.250″ diameter rod journal.
341 …………… 1636609, 1735785
Stroke = 3.7969″ 2.500″ diameter main journal; 2.250″ diameter rod journal.
345 …………… 1735785, 1736044
Stroke = 3.7969″ 2.500″ diameter main journal; 2.250″ diameter rod journal.

Dodge________________________________
These numbers also include the Poly engines used by Plymouth and DeSoto
241 …………… 1402538, 1402625, 1483338, 1671108, 1932610, 1731658
Stroke = 3.250″ 2.375″ diameter main journal; 1.937″ diameter rod journal.
260 …………… 1402538, 1402625, 1483338, 1671108, 1731658, 1932610
Stroke = 3.250″ 2.375″ diameter main journal; 1.937″ diameter rod journal.
270 …………… 1402538, 1402625, 1483338, 1671108, 1731658, 1932610
Stroke = 3.250″ 2.375″ diameter main journal; 1.937″ diameter rod journal.
315 …………… 1630398, 1630432, 1739538
Stroke = 3.7969″ 2.500″ diameter main journal; 2.250″ diameter rod journal.
325 …………… 1630398, 1635690, 1739538, 1821345
Stroke = 3.7969″ 2.500″ diameter main journal; 2.250″ diameter rod journal.