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Eibach Pro-Kit Lowering Springs (99-01 Cobra)

Item 47504
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      Product Information

      Features, Description, Reviews, Q&A, Specs & Installation


      • Classic Muscular Stance
      • Improves Handling
      • Lowers Center of Gravity
      • Progressive Spring Rate
      • Estimated Drop: Front - 1.4”, Rear - 1.4”
      • Fits 1999-2001 SVT Cobra Mustangs
      • Clears Stock and Aftermarket Wheels & Tires.


      Performance Handling. These Eibach Pro-Kit Progressive Rate Springs will lower your Mustang's center of gravity, reducing body roll in the turns, squat during acceleration, and excessive nose-dive under hard braking. A set of Eibach Springs are great for daily driving, street, and even track use.

      Classic Muscular Stance. Not only does a set of Eibach Pro Kit Springs improve the handling performance of your Mustang, but they also improve it's overall appearance by lowering the ride height to eliminate the huge tire to fender gap, for a classic muscular stance.
      • Lowers 1999-2001 Coupe: Front - 1.4", Rear - 1.4"
      • Lowers 1999-2001 Convertible: Front - 1.5", Rear - 1.5"

      Progressive Design. Eibach's proprietary progressive spring design provides the ultimate balance to deliver aggressive good looks and high performance handling, without ever compromising safety or ride quality.

      Recommended Upgrade. When installing new springs you should also replace your old worn out rubber Spring Isolators with a new set of Polyurethane Spring Isolators, see drop down option above.

      Clears Stock and Aftermarket Wheels & Tires. These lowering springs were engineered to be compatible with your stock size wheels and tires, as well as AmericanMuscle's pre-configured wheel and tire combo kits (specific to your generation), to assure proper clearance with no rubbing issues.

      Application. This set of four Eibach Pro Springs are specifically designed for use on both the coupe and convertible 1999 to 2001 SVT Cobra with independent rear suspension (IRS).

      Fitment: 1999 2001 Details

      MPN# 3590.140

      CA Residents: WARNING: Cancer and Reproductive Harm -


      Customer Reviews (20)

      Write a Review

      Ratings Summary

      4.6 out of 5 overall rating from 20 customers

      Installation Time: Full Day

      Installation Cost: $100-$250

      • March 08, 2020

        4 2001 Cobra - CobraSteve93 Installation Time: Afternoon

        Not enough drop

        Ride quality is decent and handling is better than stock, but even after they were settled and broke in the drop still wasn’t enough for my taste.

        Helpful (0)
      • August 18, 2019

        5 2001 Cobra - shockwavef399 Installation Time: Weekend

        great springs for an 01 cobra

        well they do what there supposed to, got 1 1/2 inch drop all around. sits 27 1/2' from ground to bottom of fender in the front, was 29, and 28' from ground to the top of rear wheel well in the back, was 29 1/2. i used new isolator's on the top for the front springs but had to reuse the bottoms because the SVE ones i ordered are garbage and split when i wrapped them around the spring so beware of that brand. and i could only find the bottom isolator for the bottom of the rear spring and just resused the top. my car is garage kept with only 48k on it so the stock isolators were still in perfect shape. ride quality is about the same just a little more firm. but the car in more planted now and looks a lot better.

        Helpful (0)
      • December 09, 2018

        5 2001 Cobra - 2001cobra Installation Time: Full Day

        Just right

        Looks great awsome product delivered quickly thanks am

        Helpful (2)
      • October 15, 2018

        5 1999 Cobra - JonD Installation Time: Shop Install Installation Cost: $100-$250

        Eibach lower kit

        Car looks great. Rides good. Car has subframe connector everything is working great

        Helpful (3)
      • September 21, 2018

        5 1999 Cobra - Ben Installation Time: Afternoon

        Sits perfect

        I have a 99 cobra convertible and when I bought it, it had h$r springs. It sat so low it was cutting brake lines and was kinda undrivable. I put these on and now it sits perfect and rides so much better. I would highly recommend.

        Helpful (3)
      • August 09, 2018

        5 1999 Cobra - JoeMunson Installation Time: Afternoon

        Eibach are great!

        Previous owner of my 99 cobra convertible had HandR springs on it. Car sat super low and while it looked awesome I lost a lot of drivability and I bottomed out on everything. These eibachs gave me both the height and the lowered look and function I needed. They ride great. Completely happy with them and of course American Muscle.

        Helpful (5)
      • February 23, 2018

        5 1999 Cobra - DannyL Installation Time: Shop Install Installation Cost: 0-$100

        Love the springs

        Great ride and the new stance is perfect. Love the springs.

        Helpful (8)
      • July 01, 2017

        4 1999 Cobra - Ron Installation Time: Afternoon

        Not low

        I will admit the springs improved the handling. I pulled some HandRs out that had a great lowered stance installed the Eibachs. Now the car looks like a 4X4 but handles 100 better. Oh well they are installed now.

        Helpful (10)
      • May 22, 2017

        4 2001 Cobra - GlennV

        Lowering springs

        About an inch and a quarter lower than the stock. Just the right height.

        Helpful (10)
      • April 27, 2017

        5 2001 Cobra - BigMac3 Installation Time: Shop Install Installation Cost: $100-$250


        I had the springs installed by my mechanic. Twenty years ago I would have done this myself. I was told that it was a simple install. This was apparent by the low labor cost.

        Helpful (7)

      Questions & Answers (4 answers)

      4 Top Rated Questions

      Will I need to do anything special with the rear end springs if my car has an irs?

      • Nope! These will install just fine.

      Helpful (0)

      I have an 01 cobra, Will I need to install caster camber plates with these?

      • We do recommend installing caster camber plates when lowering to maintain proper suspension alignment.

      Helpful (0)

      Will these springs be too low to fit a 305/35/18 on a 99 cobra? If so, whats the biggest size tire I could fit? And also is there a lowering spring that drops less that 1.4"?

      • Hi,we will need more info about your build to help you with your question about these Eibach Pro-Kit Springs please feel free to give us a call or send us a email so we can help you with your question.

      Helpful (0)

      When ordering the isolators do they come in pairs or do I need to order one for each spring?

      • They do come in pairs so you would only need to order (1) of each, front and rear, for a complete set!

      Helpful (0)
      Post Your Question

      Installation & What's in the Box

      Installation Info

      What's in the Box

      • (4) Lowering Springs

      Tech Specs

      Springs Specifications
      Spring Rate: Front: 456-570 lb/in.
      Rear: 650-821 lb/in.
      Usage: Street
      Year: 1999-2001 Model: 99-01 SVT Cobra Coupe
      99-01 SVT Cobra Convert
      Progressive or Standard: Progressive Estimated Drop:

      1.4"F / 1.4" R
      1.5"F / 1.5" R

      Will It Fit My Mustang

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