This is A NEW Overhaul Gasket Set with crankshaft seals for IH Tractors with engines:
Gas: C264, C281
This Gasket Kit fits IH Tractor models:
T-6 (61 Series), Crawler
U264, Power Unit
I'm also available via phone or email to help with proper installation before you get started. (Email normally works best for me).
I have over 30 yrs. experience of rebuilding IH tractors and motors and have many parts available. Email your questions and I can probably help you.