Car bellhousing for A833 OD / slant 6

A/F Body 4 speed a833OD / 3 Speed / Bells Use the "L" Blade Pivot, as the poster is asking for.

However if you are good with a milling bit in a Drill press you can find the readily available on CL and FBM Truck styler Bell Housing and Mill off the Ball stud pivot, drill and tap for your Flat / "L" shaped pivot and go from there. Like this:

You'll still need to futz around with the Ball Stud Mount for the Clutch Pivot and torque shaft, especially if installing this OD Bell into an Early A Body.