Go wide on your shovelhead with this swingarm:)
You will need some offset on your primary and transmission / sprocket, depending on the tire size you wanna fit. but i can help you with all needed parts:)
Swingarm kit for all Big Twin-4 Speed 58-85 with TÜV (except Softail)
Dimensions: 242mm inside; 302mm outside
swingarm center to center wheel axle: 455mm
NB. This swingarm is maybe not allways in stock from TTS, if not allow 2 weeks build time! but contact me for fast order!