Go get a cup of coffee and read this complete list of 4.3's from engine builder:

http://www.enginebuildermag.com/Arti...chevy_262.aspx


You then know about as much as anyone else about the 4.3's and best choices for O.E.M. heads.The are stroker kits for 4.3's which is the same method as the V8 383 in that uses a 3.75 stroke crank and is built by Speed-O-Motive.They offer a number of different options in their kits.Base kit is $1,499.