questions on long blocks

[reazon21]

well i was looking online for a b18c engine and there two different types. one is cheaper than the other. it said that it was a long block what does that mean?? what is the difference??

[knucklebuster2]

For example, on a Chevy 350, long blocks include the head, pushrods (if applicable), etc. Usually don't include things like the intake or exhaust manifolds. Sometimes include oil pan and other misc items.