Eibach ERS 14.00in Length x 3.75 in Dia x 550 lbs Coilover Main Spring

Eibach ERS 14.00in Length x 3.75 in Dia x 550 lbs Coilover Main Spring

Marsoni

M251S

$130.00

Get it in 3 business days with 1 day shipping. Friday, May 29

Eibach ERS 14.00in Length x 3.75 in Dia x 550 lbs Coilover Main SpringSKU: 1400. 375. 0550S UPC: Eibach ERS 14. 00in Length x 3. 75 in Dia x 550 lbs Coilover Main Spring Engineered for motorsports, the Eibach ERS coilover main spring measures 14. 00 inches in free height with a 3. 75 inch inside diameter and 550 lbs in rate. This universal component suits custom coilover assemblies in race cars, dragsters, and rally vehicles for precise suspension tuning. Delivers consistent performance through linear rate and minimal

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It’s all metal! Even the arm that holds the phone!!! All metal!!!!! No cheap plastic! You can drill or clean and stick. 2 for mounting. No more breaking air vents and suction cups cheap plastic that falls off the window or rear view mirror holder that blocks your vision. This is definitely worth the money.

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Reviewed in the United States on March 14, 2026

Verified Purchase

Joshua M.

Phoenix, US

★★★★★ 2

The concept is great, the item is sub par.

Size: Fit for Silverado 2020-2025 GMC Sierra 2019-2121

I bought this for a 2021 Silverado WT thinking I'd be able to screw this into the dash cubby as the adhesive wouldn't servive -50⁰ F Fairbanks winters. Beware, if you own this truck, you have to remove the entire dash assembly to include instrument cluster and infotainment system in order to screw this into the cubby. The cubby on this model is actually apart of the entire upper dash panel and cannot be removed separately as the instructions state. I decided I'd give the adhesive pad a try until I bought some self tapping screws but the mount is not contoured like my cubby, therefore it badly rocks. I don't recommend this to anyone with a 2021 Silverado WT unless they want to spend over 3 hours installing this.

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Reviewed in the United States on May 8, 2026

Verified Purchase

Zach Pike

Bozeman, US

★★★★★ 5

Highly recommend

Size: Fit for Silverado 2020-2025 GMC Sierra 2019-2121

Great fit, looks awesome! Very easy to install !

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Reviewed in the United States on May 19, 2026

Verified Purchase