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The one on the left was on my old blown klze the one on the right came with my new klze

My most important question is what I have circled in red it is a vacuum line that my other straight neck didn't have as it was blocked off. What should I plug into the new one? My guess would be cruise control since I didn't have cruise control before. What is it actually?

What I have circled in blue I noticed my old one was broken
What I have circled in green there is a T in the hose that wasn't on my old manifold.

I'd just say screw it all & use my old manifold but it was in an engine fire & isn't as pretty as the new one. So I'm gonna put the new one in but I don't know about all the extra stuff maybe I had my old one hooked up wrong?

The valve circled in blue is used in the VRIS vaccume system. Used to hold pressure for the VRIS.

sell me the 1 you dont use!

ok the part circled in blue is the check valve.
the vac line going from the check valve up away from the black square [cans] goes to the intake mant vac and the valve closes when you hit the gas to seal the vacume in the cans so the virs will work with no mant vac.

if your old 1 was broken than your virs was inoperable.

un cap the cans and route the vac linse to a t and on to both virs solinoids. you can also provide vac to the cruse but i would not.

.my cruse if routed to direct mant vac an works fine.