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Old 08-07-2008, 04:51 AM   #3
Kentetsu
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The only option I'm aware of for the rear of the car (now that ISC is no longer producing them) is from www.respeed.com

This is the system that I'm using, and it works very well. You can ask the question about spring rate in the Respeed vendor's section in this forum.
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'85 GS 12a + LSD/Sterling carb/Respeed coilovers/Respeed front swaybar/Respeed adj. rear spring perches/Illuminas/Bilsteins on rear

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