Intake Manifold Casting Number Typo?

[dibbons]

The casting number on my small block intake manifold is without a doubt 2536563. I noticed on the mymopar.com site this number is not listed, but there is a 2536536 (last two numbers transposed). Do you think that is a typo on the website or is my manifold "special" (lol)? Thank you.

Mopar Casting Numbers - MyMopar.com - Mopar Part Numners