complete interior kit for my 63 Plymouth

Where is the best place to get a factory looking complete interior and screw kit for my 63 Plymouth?

Not sure but I want to look into door panels and seat covers for mine. Maybe Layson's or Legendary ? Ron

Not sure about the interior kit, but there's a company called Mr. G's that has complete interior screw kits. I haven't dealt with them myself though.

http://www.mrgusa.com/

Legendary has the Sport Fury stuff; for Belvedere & Savoy you need the material (SMS or Original Auto Interiors) and your old seat covers as patterns, and to duplicate the Savoy pleating. Just Dashes did my Savoy door panels, which are dead nuts accurate, but took 10 months and $1200; try SMS as an alternative.
The screw kits are pretty accurate but not exact.
Windlace from restorationspecialties.com was accurate, as were their window sweeps & other rubber stuff.
Carpet is a toss-up between ACC & Trim Parts; neither has exact heel pad but the ACC fit better. Trim Parts' heel pad is marginally more accurate than ACC's.
Weird but true: I found NOS covers for my '64 Savoy wagon, so it pays to call around and talk to people.

I was hoping I wouldn`t have to buy the stuff piece by piece but buy a kit. Piece by pice will cost a bunch I bet.

They're spendy to restore - wait 'til you need a speaker grille!
There are no complete interior kits that I know of for '63s, except possibly if you wanted to buy everything you can from Legendary for a Sport Fury.
And like every other car, what's offered by a vendor may or may not be exactly correct.