It has heavy duty ball bearings as well as a Buna rubber seal to insure performance and stability on the front of your supercharger. The nose of this snout is also machined to accept a belt guard or starter bracket and also RBS can help with a blower snout support.
The coupler and drive shaft is sold separate as there are many different applications and superchargers to apply this blower snout.
Please email or call and the qualified staff at RBS will help you choose a coupler. Snout weights seven pounds as seen in the picture.
For a complete blower snout assm. buyer must buy a snout, driveshaft, coupler and coupler register adapter to make a complete blower snout assm.