Made in USA, Billet Aluminum cool head shell for the 1987-2012 YFZ350 Banshee. This listing is for the Blue shell only ( shown in the 1st picture), No domes. It does include O-Rings, Chrome acorn Nuts & sealing washers. 

This head & domes will fit stock cylinders as well as Athens 392cc big bore cylinders as shown on my banshee in the 6th picture.

We do have another listing with this shell & domes together. 

One Piece Design Allows for Maximum Cooling without having to replace the stock studs. Modquad Cool Heads have one of the largest water cavities produced, holding up to 35% more water than others.  

Our new one-piece design has an open flow between chambers to equalize water pressure and increase water circulation–for improved cooling, added protection and horsepower.  Our head uses stock studs that do not have to be changed.

  The Modquad head comes complete with copper washers, acorn nuts and O-Rings.  Machined from 6061 aluminum in the USA.