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> Stub axle verification, Double checking
micahmr2
post Jun 15 2026, 11:16 AM
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First time post. I've been searching the forum and the world wide web and I think I have the answer but I wanted some verification. Or if there is a new solution I'd love to hear it. I have a 75 914-4 that I'm engine swapping and using an Audi FWD long transmission with 108mm drive flanges. I want to run 108 stub axles and 5 lug hubs, it looks like I can get early 911 stubs and hubs here.

Hubs
90133106509
https://www.autohausaz.com/pn/12843346-UR-9...AiABEgK_FPD_BwE

Stubs
901-332-232-00
https://www.heritagepartscentre.com/us/9013...xle-flange.html

Several questions, are these the correct parts? Is the way to go or is there a better way I think I read boxster parts might do the trick too but have not confirmed.

I'll be ordering custom axles. Also confirming that is the way to go.
Thank you in advance.
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Jack Standz
post Jun 15 2026, 01:18 PM
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QUOTE(micahmr2 @ Jun 16 2026, 12:16 AM) *

First time post. I've been searching the forum and the world wide web and I think I have the answer but I wanted some verification. Or if there is a new solution I'd love to hear it. I have a 75 914-4 that I'm engine swapping and using an Audi FWD long transmission with 108mm drive flanges. I want to run 108 stub axles and 5 lug hubs, it looks like I can get early 911 stubs and hubs here.

Hubs
90133106509
https://www.autohausaz.com/pn/12843346-UR-9...AiABEgK_FPD_BwE

Stubs
901-332-232-00
https://www.heritagepartscentre.com/us/9013...xle-flange.html

Several questions, are these the correct parts? Is the way to go or is there a better way I think I read boxster parts might do the trick too but have not confirmed.

I'll be ordering custom axles. Also confirming that is the way to go.
Thank you in advance.


We run those same or similar hubs, but with Carrera GNK axles (available from lots of sources) and 5(?)mm spacers available from Patrick Motorsports (something like $50) that you install on the outboard side of the axle. The advantage is you don't need to buy those stub axles (saves $$$). Maybe this is an option you could research and explore. Either way, please post your findings here for others to consider.

You will need to carefully measure what length axles you will need.

The Carerra axles are slightly shorter than a stock 914 axle, but there are other options that use those stub axles that are the same length as 914 axles. Your needs are probably different as you won't be using a 901 transmission with 108mm transmission side drive flanges (930 CVs). However, you may be able to use the same/similar axles. This will also save $$$$ because you won't need to buy custom length axles. That's IF the Carerra axles are the correct length. Again, measure carefully before moving forward.

Best wishes for your project!!

Supposedly 23.7" compressed length)

https://www.autozone.com/p/gkn-cv-axle-asse...-305394/1340084

Am curious about whether these will work with 108mm drive flanges on the transmission side, as they are about 1/4 the cost of the above ones (supposedly 26.77" compressed length):

https://www.ebay.com/itm/186857664977
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