1st Generation Specific (1979-1985) 1979-1985 Discussion including performance modifications and technical support sections

oem bump stops?

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Old Jan 5, 2026 | 07:29 PM
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oem bump stops?

Ive exhausted my search skills for the day. Anyone know of a source for rear bump stops? I lost one at some point and the other was hanging on by a strand. looking for either oem or any good aftermarket source for something similar.
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Old Jan 5, 2026 | 08:57 PM
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The bump stop, 8871-28-320, is NLA (no longer available). Nobody makes a direct replacement that I know of. Best is to find a reasonable replacement.
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Old Jan 6, 2026 | 08:30 AM
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From: https://www2.mazda.com/en/100th/
its been a while, but i think we found a Jeep one that looks pretty good.
also if you car is lowered, you'll want to run the competition length which is shorter
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Old Jan 6, 2026 | 12:29 PM
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This is a good thread...

https://www.rx7club.com/1st-generati...mpers-1101898/
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Old Jan 6, 2026 | 01:11 PM
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Which shock/strut are you running? You can search the company site for it such as KYB and see which universal bump stop works on that shock. As others pointed, you can cut some of it to accommodate lowering springs. There are a few videos on Youtube that show you how much of the bump stop to shave off depending on your spring height. I did this with my Rx8 when I replaced my shocks with the KYB gas-a-just since my factory one's were brittle and worn out.
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Old Jan 6, 2026 | 06:32 PM
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I think Mustanghammer recommended these a few years ago https://www.summitracing.com/parts/whl-w93449. Yeti tried them and claimed they were almost identical to stock.

Carl
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Old Jan 6, 2026 | 06:33 PM
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That info came from a thread call "rear springs" by Yeti in 2021
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Old Jan 7, 2026 | 12:15 PM
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From: https://t.me/pump_upp
I went to foam bump stops on both my FBs, and I like them much better than OEM --> https://www.rx7club.com/1st-generati...mpers-1101898/
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Old Jan 9, 2026 | 01:05 PM
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Perfect thanks guys. Ill look into the aftermarket options! I kinda figured this was the path from the start.
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Old Jan 14, 2026 | 03:36 PM
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Originally Posted by Carl
I think Mustanghammer recommended these a few years ago https://www.summitracing.com/parts/whl-w93449. Yeti tried them and claimed they were almost identical to stock.

Carl
I was just about to comment the same part

Last edited by yeti; Jan 14, 2026 at 03:46 PM.
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Old Jan 15, 2026 | 08:57 AM
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From: https://www2.mazda.com/en/100th/
Just to add, for the competition, lowered cars, Mazda had a shorter bump stop, so if you lower the car, you probably want that

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