W series heads

w8 i believe were for nascar craftman truck series...

they will out flow w2 heads...they are aluminum...

http://www.shadydellspeedshop.com/moparheads.htm

click on w2...and then click on w8...you will see how much the w8 flows....

here is another link....

http://books.google.com/books?id=uz...snum=10&ved=0CF4Q6AEwCTgK#v=onepage&q&f=false


just google mopar w8 head.....