318 supercharger

CanadianGT said
probably spend less upgrading to a mild 360 and have as good of power unless your 318 is already built for the supercharger.

That doesn't answer his question.
Try this place.
Stick it up out of the hood style units.
http://www.dyersblowers.com/

Complete kits price range;

Chrysler, 318-340-360 & 383-400

Non-Polished 671 = $3,450.00

Non-Polished 871 = $3,750.00

Polished 671 = $3,700.00

Polished 871 = $4,000.00