STC SA00520WI allows for gussets to be installed in areas of the stock engine mount were cracking is most likely to happen.
Gusset Kit Includes:
- STC SA00520WI Authorization, Installation Instructions and Drawing
- Set of gussets for one engine mount, part numbers: 1729411-10, 1729411-11, 17201-1
- Part Number: 172 MT Gusset Kit
Cessna 172D, E, F, G, H, I, K, L, M
Serial number range: 17249545 thru 17267584