Aircooled VW South Africa

OK am busy trying to see if i can do something to solve alot of problems....

These are the measurements I will be needing all from the front beam..

The inner diamiter of the tubes.
And the lenght of the beam from end to end for now..

Please and thank you

And if someone has the outer diametre of the tubes it would help alot thanks

od 52mm
id 45mm

Width i will get tommorrow

Thanks IMPI, I dont know if this is correct but have a measurement on these drawings of 87cm?

(That is from end to end)