Pretty much they are plastic top pieces that fit in place of the original covers, but they have a second piece which attaches to the first and covers the cross member ends.
 
I forgot about the Slick shift. I have been debating this for months and eventually decided to do it. I have driven cars with quick shifts fitted that made them feel notchy and easy to get lost in a box full of neutrals. The kit was easy to fit and in my opinion is just right. It is more precise, but not over the top. Much easier to live with. Feels great.
 

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