Any experience with MABBCO engines?

Do the long block for $1650!!
MABBCO® long blocks include NEW pistons, piston rings, rod bearings, main bearings, cam bearings, timing set, freeze plugs, gasket set, oil pump, and lifters. MABBCO® long blocks are Spin Tested on a Computerized Engine test stand for proper oil pressure and compression and come complete with the push rods and rocker arms installed and pre-set. MABBCO® Premium Long Blocks are sold outright (No Core Return Required).