progressive 604 crate motor

Progressive 604 crate motor with water pump and flywheel. $4500.00 obo 863-944-1766

I thought G.M. built the 604 Crate engine??

dd38-I am pretty sure they are gm certified to get the seal bolts and are trusted to rebuild the gm crate engines.

yeah they are

trade ya a nice 94 ford f150 ext cab i need a motor lol