KR> Ring gear/flywheel

[PatS]

Guys:
  I need a ring gear/flywheel for a 235 Lyc.  There is one on ebay for $300 
odd, It is #77579.  Is this a good price?  Will it work on a 235?  Do any of 
you have one for sell or know of a better place to look?  Thanks.
IHS
PatS
Seminary, MS