Small Block ChevyFor those wanting the ultimate in a cast iron block, Dart is your choice.
The Little M for the S/B Chevy features extra thick stock deck height, stock cam height, stock pan rails, 4 bolt main caps and already clearanced for 3.875" stroke.
These blocks have a 350 main journal diameter, 4.00" bore size and steel main caps. Crankshaft required would be two piece rear main seal design for SB Chevy.
Must ship truck.