Here's the longest one ever written a couple of pages all in one palindrome.

ANd:

Was it Eliot's toilet I saw?
Was it felt? I had a hit left, I saw
We panic in a pew.
We passed Odessa. Pew!
We placed a decal pew.
We'll let Dad tell Lew
What! So he is hanged, is he? So what?
Won't lovers revolt now?

There: Is Rap par, si?

A