★★★★★ 5
Great supplement
I like the way it helps me relax to sleep and helps to keep me more focused
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Reviewed in the United States on June 3, 2026
Eibach ERS 20.00 in. Length x 3.75 in. ID Coil-Over Spring
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
Eibach ERS 20.00 in. Length x 3.75 in. ID Coil-Over SpringSKU: 2000. 375. 0300S UPC: 803050346049 Eibach ERS 20. 00 in. Length x 3. 75 in. ID Coil Over Spring 300 lb in Rate The Eibach ERS 20. 00 in. Length x 3. 75 in. ID Coil Over Spring (MPN 2000. 375. 0300S) suits custom coil over assemblies on race cars, drift builds, and performance street vehicles. Its 300 lb in linear rate ensures responsive handling and stability under load. Built for endurance in demanding conditions, this spring maintains shape
Quick Dispatch:
Your Eibach ERS 20.00 in. Length x 3.75 in. ID Coil-Over Spring orders ship within 1-2 business days.
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- Standard: 3-7 business days
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4.8 ★★★★★
Based on 951 reviews
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Product Reviews
★★★★★ 5
No diarrhea
My wife had severe diarrhea using a common type of magnesium, taken at doctor's recommendation. Doctor recommended this type, L-Threonate. Totally eliminated diarrhea problem.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 15, 2026
★★★★★ 5
Magnesium
Helps with sleep, relaxation, and muscle cramps
* Can support mood and reduce stress
* Good for overall body function (nerves, muscles, heart)
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Reviewed in the United States on April 23, 2026
★★★★★ 4
High Quality
My husband is deficient in magnesium and these by far looked like they were of the highest quality . Not sure yet if they help him sleep better but will be purchasing them again.
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Reviewed in the United States on May 8, 2026
★★★★★ 5
Better sleep, better mood
This definitely helped my mood and sleeping. It literally changed my default. The only electrolyte that can pass the blood brain barrier. I recommend.
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Reviewed in the United States on May 9, 2026
