The ring gear is a separate piece from the carrier. You should be able to take your old front diff ring gear off and put it on the LSD carrier.

As for what it takes to tweak the 300Z C200 LSD into the R200A, I don't know. Steve made it clear that was his little secret. smile

Brent
_________________________

Tip: see if your question has already been answered before asking it. Try our handy-dandy search tool!