Same part of the project waiting on my pump in a few days from performance jet I just pulled my bowl as I'm selling this pump too and it's a hardened shaft  (it's magnetic) has a detailed bowl and stuffer comes with polished stock adapter and black nozzle for 1200 or the electric jetovator complete for 1500 I ran this pump last year in my 496 stroker and the only reason I'm upgrading is for the inducer and ss impeller.  I believe this cut is an ab. Pump ran flawlessly  I just have too much hp for the aluminum impeller