I found out what gashed my right rear shock. It was my Teraflex frame mounted trackbar bracket. There is interference when the right rear is compressed near max. I noticed that my rear shocks are mounted with the body towards the bottom. A set of shocks with the body towards the top may allow for more clearance.
Hey Teraflex? Are you aware of this problem?

 

Did your kit come with the shock relocation bracket?

 

PM sent

 

Great customer support. Thanks Teraflex.

 

Well, was the problem the shock relocation bracket?

 

My kit did not come with the shock relo bracket. I assume it was added after I bought mine last summer.

 

It was added later.