Check out this Cam Chain Tensioner unloader tool Designed for Harley Davidson

1999 to 2006 Twin Cam Models.

Will NOT Fit 2006 Dyna. 

The cam chain tension tool uses a 32mm socket.

The tool will unload the pressure from the primary and secondary chain tensioners to assist with the assembly and dis-assembly of the camshafts. 

Instructions are provided with each tool, this is a quality aftermarket tool...see all the pictures