These are the specifications for the various camshafts offered for the 420A platform. The specs and offerings are current as of January 2011. These were taken directly out of the manufacturers catalog.
Here are the specs for the Crane camshafts that they offer for the 420A engine. Crane went out of business in 2008'ish, but they are back up and running.
Here are the specs for the Crower camshafts that they offer for the 420A engine.
Last modified on 2011-01-13 12:11:04