Rear Spring isolator alternatives
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Joined: Sep 2025
Posts: 9
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Rear Spring isolator alternatives
Anyone have an alternative to the Mazda part:
28-0400-FB01
https://www.mazdaswag.com/v-1988-mazda-rx-7--convertible--1-3l-r2-gas/suspension--rear-suspension?srsltid=AfmBOoqY5u-TsaNVEeNcFgMua5tbxiqxe3qkashP-fsapEDjNQzrPSmK
#5 in the diagram.
im redoing my suspension, but that part is backordered until January.
I’ve got the racing beat springs, and Kyb Agx adjustable shocks, and I can’t seem to find any alternative to that part. I’m not sure the current isolator will survive disassembly, so if anyone knows an aftermarket equivalent that will fit the racing beat springs I’d appreciate the help!
28-0400-FB01
https://www.mazdaswag.com/v-1988-mazda-rx-7--convertible--1-3l-r2-gas/suspension--rear-suspension?srsltid=AfmBOoqY5u-TsaNVEeNcFgMua5tbxiqxe3qkashP-fsapEDjNQzrPSmK
#5 in the diagram.
im redoing my suspension, but that part is backordered until January.
I’ve got the racing beat springs, and Kyb Agx adjustable shocks, and I can’t seem to find any alternative to that part. I’m not sure the current isolator will survive disassembly, so if anyone knows an aftermarket equivalent that will fit the racing beat springs I’d appreciate the help!
Thread Starter
Junior Member
Joined: Sep 2025
Posts: 9
Likes: 1
do you know the size of the springs? I guess the alternative people would use is what I’m after.
Joined: Mar 2001
Posts: 31,796
Likes: 3,210
From: https://www2.mazda.com/en/100th/
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