Pettibone with IH UB240 engine, needs air inlet seal and clamp

[ETD66SS]

Anyone know where I can get items 7 & 8 from this IH UB 240 parts list?

See here: UB22-UB24-UB264 Parts Catalog.pdf - Google Drive

I assume this is an IH 240 cubic inch motor. I'm not familiar with IH engines at all.