Im replacing mine too. Except I'm not sure if it would fit on an SH. It should though, I've looked at both knuckles before and didn't see a size difference. Def check other forums.
Cheap fix for rear lower ball joints!!!
Hondapartsdeals.com has the part number listed for a front lower ball joint for an SH part#: 51220-SL5-003. I would call them just to make sure though.
ha i know its already Feb., but good luck