Need parts for 727 BB trans: inspection shield, kickdown lever, speedo housing o-ring

Need parts for 727 BB trans:
inspection shield,
kickdown lever,
speedometer housing o-ring.

What's the designation for a BB 727 versus a SB 727?

The kickdown linkage is missing on my car. How do I tell if it needs a kickdown linkage or not? I read somewhere it doesn't need one if it has a manual valve body -- to know if I have the manual valve body, would I need to shift the transmission manually? Is that how to tell it has a manual valve body? Thanks, all.