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The Conn bits should work on the Olds neck.

It's not likely the Conn neck will properly fit the receiver on the Olds lower mouthpipe.

I've found that Jupiter bits fit quite well in Olds necks, and sound nice too. They're also easier to find than vintage Olds or Reynolds bits. Isn't three bits a tad extreme though? I only need one on my Olds sousa.

58mark wrote:Thanks Dan, the neck is perfect, so maybe it's a olds neck after all

I'll go ahead and get the olds bits, just in case

If you do order Conn bits... make sure they are for a 20K or they will send you King bits.