I haven't been on here for a while but I fitted spray rails to my Lochin 33 about 10 years ago. I thought I might have posted something about it on the forum long ago.
I fitted the rails at the same time as I fitted a bow thruster and both transformed the boat. It was a wet ride before I fitted the spray rails, they made a huge improvement.
You can buy them from Simon Thomas (or at least used to be able to).
I can give you more details if they are not on here
Cheers
Chas
PS. I did send another member details and photos of my spray rail installation some time ago. If you send me a PM with your email address, I can forward the informatio to you.
-- Edited by chas on Tuesday 19th of April 2016 12:45:40 PM