Many 137" suspension riders are looking for a little more weight transfer than they recieve going from the number 3 setting to the number 1 setting of their blocks.  These Max Transfer blocks allow for more than double the amount of adjustment of changing from the 3 to the 1 setting.  You will end up with three block settings, position 3 (least weight transfer), position 1 (more weight transfer and the most offered in the original blocks), and Max (most weight transfer).
 
These transfer blocks are used in the rear suspension of the coupled ProCross suspensions, mostly in the 137" length.  They are customized Arctic Cat Part Number 2604-545 or Yamaha Part Number 8JP-G745D-00-00 .
 
These are OEM blocks that have been precision milled to allow for more weight transfer.  Previously, the options for riders wanting more transfer were to remove their blocks (which results in metal to metal contact between the rear scissor and the shaft ), or the remove the stopper cross shaft completely (which can result in suspension damage.) 
 
Note: due to the nature of the OEM part molding process, you may notice some porosity in the face of the Max Transfer surface.  This is only cosmetic and is normal and will not effect the function or durability of your blocks.
 
Sold in pairs and priced in CDN dollars.  Shipped from Canada.