Diameter and length of Gen 2 ultras reduced mounting section

[Seandradamus]

New shape on the Tbac ultras reduced area Looking for these measurements of that section if anyone knows off the top of their head?
Thanks in advance

 

[_Windrider_]

Two thunderbeast guys r on hide

@TBACRAY @Zak Smith

 

[Zak Smith]

OD 1.30" for 0.530"

 

[Seandradamus]

OD 1.30" for 0.530"

Thank you !!