Matching numbers?

Hello, I'm new on this site.

I have a plymouth duster 1973 with 340 and a 4 speeds transmission.

Do be a real matching number car does my serial on my transmission need to be the same as the engine and car ?

And where I can find information to restore my car as the original (tire size, pictures of the motor, where I can order new strip and interior etc...) ?


Thanks