[F1 Speed]

Looking at buying their 421 Pro series short block. They have it priced at $3599. Is this a good company? Dyno-Flo out of Nevada. Here is the link
http://www.dynoflo.com/cgi/engines.cgi?motor=m_075

Or am I better off going with Ohio Crankshaft?

Any particular reason you want to go Small Block?