Just to let everyone on here know that, Butch Elkins, one of the owners of, Diamond Racind Engine's and Pistons Passed away! 75 years old. What a lot of you on here my not now,is that all of the "W", A egine heads were design by Butch!!! They also had there own, A, engine head to. I had the opertunity to work for diamond in the hay-day of the 70's. Modifying Crossram hemi intake's, and other projects, including, working on Richard Maskins pro-stok AMC heads!! If any of you now the history of Diamond and all the championships the there help there costomers win, Its the most ausome accomplishments of that company!!!! And still to this day!!!!