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Found a guy in TN selling a set of side panels on C-List, this is his add.
http://tricities.craigslist.org/grd/3472843989.html
CUB CADET 800-1650 ENGINE COVERS - $120 (MARYVILLE TN
I have three sets of these I had in storage for years they are straight as an arrow with no rust call anytime 865-382-2504