The Tom Roberts/Magnuson Supercharger Kit is designed to be a true bolt-on modification.


Each design is created using the latest CAD technology.


Tom Roberts’ skills go far beyond the demands of building hardware for the Flathead Ford. His engine heads, blocks and gear-boxes have been instrumental to the world’s most successful Indy cars, dragsters, off-shore racing boats and even some experimental aircraft. Tom’s “one man band/do the paper work later” approach has endeared him to a vast number of winning racers

.....John Thawley

The final cast aluminum piece is then machined to perfection.
A CNC’d Alder wood pattern is then smoothed and perfected.

Tom Roberts Designs 805/644-8899 Email: