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Brake Booster Rod Extention Options?

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Old Jan 20, 2022 | 04:46 PM
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Default Brake Booster Rod Extention Options?

Just installing the Tough Stuff 2121NB Brake booster/Master combo and all working well, except - The threaded rod from the Booster is about an inch too short.
How have you all addressed this? I have the original clevis, which treads on, but the rod is just not long enough.
Options?

1971 C3
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Old Jan 20, 2022 | 05:30 PM
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You may have the wrong booster combo. A '71 C3 is the 2129NB on their website.
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Old Jan 20, 2022 | 07:07 PM
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The 2129NB is a 9" and mine is a 7"
From the looks of photos, the rods are the same length.
I ended up getting a section of 3/8" 24 bolt and will use a coupling nut to extend the rod about 1.5", which should give me enough to work with.
It's too bad the specs on these parts are not dialed in. I ordered this from JEGS and they did the best they could, but these issues should be addressed.

I'll post a "how to" video of the installation process once I have more details documented.

Thanks for the help.

Last edited by K-Dog; Jan 21, 2022 at 03:12 PM.
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Old Jan 21, 2022 | 04:35 PM
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you have the wrong booster, return it to jegs, you will be fighting this the whole way. Thats a universal booster and its designed to use brackets on the back.....
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Old Jan 21, 2022 | 04:40 PM
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The top Faq is for this product

https://www.tuffstuffperformance.com/faq.html#q30488

this is the extension rod they suggest for his product
https://www.tuffstuffperformance.com...tml%3Fq%3D4750
This is what you should be using, no issues at all, bolted right into my 68
https://www.tuffstuffperformance.com...nc-2129nb.html
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