New from BDS – the Adapter Plate for a 4-71 Supercharger to a 6-71 Intake Manifold. This unique adapter plate lets engine builders install a retro 4-71 blower on a newer intake. See more details below.

Official Release:

Going for that cool Old School look on your supercharged Hot Rod? The engineers at Blower Drive Service have made it a no brainer with their MA-9102 adapter. This specialty adapter allows builders to install a retro 4-71 supercharger onto a contemporary intake manifold.

The unique adapter plate measures 5/8” thick (tall) and is machined for installation of a 3/16” O-ring on the top (O-ring included with adapter). The plate is available from BDS dealers worldwide or direct from the manufacturer with a retail price of just $250.00. As with all BDS blowers the adapter is 100% Made in the USA and in stock, ready to ship.


  • Allows builders to install a 4-71 supercharger onto a contemporary intake manifold
  • Adapter plate measures 5/8” thick
  • 100% Made in the USA