More than likely it will fit.

Coupes and roadsters use the same fenders as well as the same trunk lids.

Internal braces are the same as are rumble hinges.


The key question is, if you haven't sprung for the rumble seat yet, are you sure you really want one?

A lot of folks build these cars with the view they're gonna cruise - fairgrounds or rod run or on the street - with passengers in the rumble seat.
For the great majority, it seldom happens.

Plus, rumble trunk lids are a pain in the backside.
Pack your stuff wrong, things shift a bit and in effect you'll be locked out of the trunk.

I have a rumble lid in my 32 roadster.
Never again.
Trunk access is just too darned difficult.

The present project, a 31 on 32 rails roadster has a trunk lid and I'm really liking it.
Lots more room than the rumble, plus you don't have to remove the trunk lid to install or access wiring and the like.