I always just safety-wired mine, but now we're getting some made with nice locking tabs. Since they're shared with just about all CV-equipped Porschii, it seems...
http://www.924board.org/viewtopic.ph...er=asc&start=0

I'd be happy to coordinate entry in the group buy, to save you having to join the board there... though similar messages are also posted on rennlist and pelican, in the 924/944/968 boards...