Here's a special blower for that Flathead engine.
S.Co.T. is an abbreviation for 'Supercharger Company of Turin' (Torino), Italy.
It was one of the most popular "roots" style blowers in the 1950's and popular today on Street Rods and Rat Rods.
Here's a photo of the real thing
For the radiator hoses (hard tubes), use this aluminum hard line.
This is a two-piece blower with a separate end plate.
Resin pieces by Competition Resins, 1/25 scale.