roll bar ?
 

I bought my z28 last month and I have not seen another one with a roll bar type trim piece that goes side to side .Is this original or an expensive add on

Re: roll bar ?
 

RK Sport used to make a decorative plastic light bar (look alike roll bar) for the 4th Gen convertibles:

Is this what you mean:

http://www.autopartsdb.net/images/Pr.../1/1507000.JPG

Wolfe makes a real roll bar for the convertibles:

http://www.wolferacecraft.com/images/fbconvlg.jpg

Here's a custom NHRA certified cage for a low 8-second/168 MPH convertible:

https://www.camaroz28.com/forums/mem...3800a-6248.jpg

https://www.camaroz28.com/forums/mem...3884a-6249.jpg

https://www.camaroz28.com/forums/mem...03885-6250.jpg

Re: roll bar ?
 

Yes the rk plastic is what I have thanks