What part of this do I need off the mx-6 bov I dont need the entire piece that bolt onto the block do I.

 

that should be a denso bov.
the piping/tube has a bolt on the back, connecting it to the block.
you want the bov and the tube/piping, it is connected to.

 

hey i was wondering if i need the part thats connected to the block and if so do i weld off the excess amount i need to know bye tommorrow because i moving and the parts on hold but i do have the outer valve looking piece and the inside piece. Is this all I need

 

help please