pics of 987 6sp, 986 6sp and a 986 5sp transmission
 

Here's some pictures I took of a cayman 987 6 speed, 986 Boxster S 6 speed and a 986 Boxster 5 speed.
In this pic the 986 6 is on the bottom, 5 sp in the middle and the 987 6 sp is on top
http://986forum.com/forums/uploads02...1607985665.jpg

http://986forum.com/forums/uploads02...1607985750.jpg
http://986forum.com/forums/uploads02...1607985814.jpg

the bellhousing of the 987 is much larger than the other two, assuming to accommodate a larger flywheel..?
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It looks bigger in the picture but I think it's basically the same size as the 5 speed. The 987 6 bellhousing sits higher on the transmission and when you lay it down next to a 5 speed it looks bigger.

Could you do an inline comparison top photo of the 3. I would still like to put a S trans in my car. 3.6 Ln mod, 2006 5spd manual to get the larger bolt holes in axle flanges 986S flywheel Spec 2 Clutch and pressure plate.

I tried posting a picture like you're asking for and this site won't post it because the file is too large. I tried resizing it but even that's too big. Text me at 512-925-9171