Most accurate or closet to original stock camaro parts company.

[Jim i]

Does anyone out there know out of all the company's that sell so called factory original parts, who has the best parts. I have a 67 Camaro pro touring and I'm looking for some interior parts. Every company says there parts fit great but we all know no part is like the factory part. I'm just looking for the company that gets it the closest.
Thank you to all who respond.

Jim