* LT series engines: The LT series of engines are the successors to the LS series and offer even more power and efficiency. Common options include the LT1, LT4, and LT5 engines.
* Small-block Chevy engines: Small-block Chevy engines are a classic choice for Impala swaps and are available in a wide variety of sizes and power levels. Common options include the 305, 350, and 400 cubic inch engines.
* Big-block Chevy engines: Big-block Chevy engines are the most powerful option for Impala swaps but are also the most expensive and difficult to find. Common options include the 454 and 502 cubic inch engines.
