This bar adapter allows for the use of Husqvarna large mount saws to fit on bars designed for the Stihl 660/661 mount.  

 

For reference:

Echo: 8mm bar studs

Husqvarna: 9mm bar studs 

Stihl Ms660/661 and other large Stihls: 12mm bar studs

Stihl MS880/MS881: 14mm bar studs. 

GB Titanium Bar Adapter GPSB9-12 (9mm to 12mm)

$20.00Price