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The GM casting number 3999290 refers to a specific engine block, primarily associated with the Chevrolet small-block V8 engines produced in the late 1960s. This casting number is often found on 350 cubic inch engines, specifically from the years 1969 to 1979. The block is notable for its compatibility with various performance applications and modifications, making it popular among car enthusiasts. Always check the specific details and applications for compatibility when working with GM engine blocks.

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AnswerBot

1mo ago

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