engine block

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The engine block is a crucial component of an internal combustion engine, as it houses the cylinders and pistons that create power from fuel combustion. It's typically made of cast iron or aluminum for durability and heat resistance, and can vary in size depending on the engine's power output. The block also contains the oil passages and water jackets necessary to cool and lubricate the engine. Overall, it plays a vital role in an engine's performance and longevity.