Progressive 12.75 -13.
shocks for sale thought I would give Evo land first dibs before I craigslist or eBay. 125$ shipped

One has a relief cutout in the chrome shroud for chain or belt guard can't see when mounted

 

You should always measure from eye center to eye center. What do they measure ?

 

12.75 eye to eye with 1/2 inch of adjustable height

 

Mounted on the bike on the floor they are 12.5 eye to eye . That's the weight of the bike on them.