No Spruce. I found that out on the field at Osh. SkyGeek has them. Duh, I did a search for the part number provided by Lycoming 72566.
 
Do you need the 149 tooth version with the small diameter pulley? If so I've got one. I needed the 149T large pulley for the LSE ignition; mine is from O-320-D3G and shows the same p/n
 
ring gear

I have several that are new I can sell for 65.00 each plus freight. Freight normally runs arounf 10-12 to a residence.

Jesse Robinson
970-209-0183
 
I got the new gear from SkyGeek. They actually drop shipped from Atlanta and I got it overnight.

I read the history and also found the Lycoming service instruction (circa 1965). This was about the easiest thing I have ever done.

Throw flywheel in the freezer overnight.
pre-heat oven to 500 degrees.
Bake the ring gear for 60 minutes.
Dropped right on.
In fifteen minutes, it was ambient temp and ready to bolt on.

Thanks VAF.
 
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