Item: Vortech 3.33" 10 Rib Supercharger Pulley
Price: $100
Condition: Used

Description: I am selling a genuine Vortech 3.33" supercharger pulley. The pulley is in great condition and looks almost brand new. The part number for the pulley is: 2A031-333.
If you have any questions please don't hesitate to ask. Open to reasonable offers.
I will post any where interstate at just $5.

how must boost does this pully make ??

Depends what size crank pulley you run. You should see 10psi with a 7.25" crank pulley revving to 6000rpm. You can acheive more boost if you have a smaller crank pulley.
Thanks