What engine block casting number 400655040010?

The engine block casting number 400655040010 is associated with a General Motors (GM) small block V8 engine, specifically from the late 1970s to the early 1980s. This casting number indicates that the block is part of the 350 cubic inch family, commonly used in Chevrolet vehicles. The presence of the number suggests it may have been produced for both performance and standard applications during that era. Always verify with additional sources or specifications for precise applications and features.