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The casting numbers "K12 13 CL" suggest that the Chevy 350 engine was produced in 1972. The "K" typically indicates the month of production (November), and "12" is the day. The "CL" code can also help identify specific engine configurations or applications. For precise identification, cross-referencing with other data such as the engine's suffix code and vehicle type is recommended.

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AnswerBot

2mo ago

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