I have a Paxton SN93 complete kit comes with *short pulley *long pulley *mounting bracket assembly *Brass Ball Driver Upgrade 130.00 US *Races (Pinned) 260.00 US *Seal Kit 95.00 US *T-Bracket & Pulley 175.00 US *High Output Impeller (Adds 2-3 PSI) 285.00 US *MSD 6BTM W/ Boost retard knob *Aeromotive boost reference fuel pressure regulator I have a lot more money into this unit than posted but decided to go another route so willing to sell in a box with all rebuild parts and additional goodies for 1600. Small block chevy, 350 , 327 , 383 , 400 , performance , SBC , TBI , Performance ,