Fellow in Washington state has helped me with used parts for my S160. No name or address right now.

For V-461 engine, 1956 MY V190 IH

Intake 133 786 R1 gasoline, 133 705 R1 LPG. Gaskets 133 918 R91. Plate (LPG only) 172 491 R11 Ref: Original IH parts book.... Login to read more.