There are no broken bolts or corroded water passages. It's pretty clean in the rotating assembly area and not sludgy.
This is a fuel management block. It is factory drilled for DOD as seen in the pic. This is a factory DOD block. The pic shows it is drilled for fuel management. The item "2007 2018 LY6 6.0 Chevrolet LS Short Block Engine Core" is in sale since Wednesday, December 15, 2021. This item is in the category "eBay Motors\Parts & Accessories\Car & Truck Parts & Accessories\Engines & Engine Parts\Engine Blocks". The seller is "dieselcoresupply" and is located in Katy, Texas.This item can be shipped to United States, Canada, Bermuda.