-10%
Eibach Pro-Kit for 99-02 Mustang Cobra Convertible/Coupe-Eibach-EIB3590.140
Click to zoom in

Eibach Pro-Kit for 99-02 Mustang Cobra Convertible/Coupe

Eibach
EIB3590.140
803050124906
Lowering Springs
20+ Units In Stock - Ships Next Business Day
$ 438.89 $ 395.00
FREE Ground Shipping!
$ 395.00

SKU: 3590.140   |   UPC: 803050124906

Eibach Pro-Kit Lowering Springs for 1999-2004 Ford Mustang SVT Cobra Convertible/Coupe

Eibach Pro-Kit 3590.140 is a performance lowering spring set designed exclusively for 1999-2004 Ford Mustang SVT Cobra models with Independent Rear Suspension (IRS) in convertible and coupe body styles. This kit lowers the front by 1.2 inches (30mm) and the rear by 1.0 inch (25mm), improving the vehicle's center of gravity for better cornering and stability. Tested with factory dampers, it delivers responsive handling while preserving daily drivability.

Key Features

  • Precise Lowering: Front drop of 1.2 inches (30mm) and rear drop of 1.0 inch (25mm) for balanced stance and reduced body roll.
  • Progressive Spring Rates: Provides linear response under load, combining sporty firmness with comfort over bumps.
  • Shot-Peened Surface: Increases spring life and fatigue strength for long-term durability on street or track.
  • Improved Handling: Lowers center of gravity to sharpen turn-in, steering feel, and overall grip.
  • Million 1-Mile Warranty: Backed by Eibach's lifetime guarantee against sagging or defects.

Product Notes

  • For IRS-equipped vehicles only; not compatible with solid rear axle models.
  • Tested and validated with factory OEM dampers for plug-and-play performance.
  • Ships via standard ground in protective packaging.

Installation Notes

  • Professional installation recommended.
  • Wheel alignment required after installation to ensure proper tire wear and handling.
  • Compatible with factory struts/shocks; no special hardware needed.

This Part Fits

Year Make Model Submodel
1999-2004 Ford Mustang SVT Cobra

Why Choose Eibach?

  • Trusted by motorsport teams worldwide for proven suspension technology.
  • Manufactured in Germany with exact tolerances for Mustang IRS fitment.
  • Engineered from high-strength chrome-silicon steel for consistent performance.

Frequently Asked Questions

  • Q: Does this fit 1999-2004 Mustang SVT Cobra convertibles and coupes?
    A: Yes, designed specifically for IRS models including both convertible and coupe variants from 1999-2004; confirm your vehicle has IRS.
  • Q: What material are the springs made from?
    A: High-tensile chrome-silicon steel with epoxy powder coat and shot-peening for corrosion resistance and extended fatigue life.
  • Q: What is the warranty and installation process?
    A: Comes with Eibach's Million 1-Mile Warranty; install takes 2-4 hours per side with basic tools, but professional service advised followed by alignment.

Shipping & Handling

  • Method: Standard Ground
  • Availability: In stock - ships same or next business day
  • Packaging: Securely boxed, dimensions 16" x 14" x 5"
  • Weight: 27 lbs

Request For Information

Have questions about Eibach Pro-Kit for 99-02 Mustang Cobra Convertible/Coupe? Fill out the form below and we'll get back to you by the next business day.
Eibach

Eibach

Eibach suspension parts at Black Ops Auto Works include Pro-Kit and Sportline lowering springs, Pro-Truck lift kits and sport shocks, Anti-Roll-Kits and sway bars, Pro-Spacer wheel spacers, camber arm kits, and ERS coilover springs. Black Ops Auto Works carries 1,268 Eibach SKUs spanning Jeep and Dodge muscle car and SUV platforms, Toyota and Lexus off-road trucks and SUVs, Ram and Ford heavy duty trucks, and European sport models like BMW M2, M3, and M4. What This Collection Covers This collection brings together the full range of Eibach suspension products, including lowering springs, Pro-Truck lift kits, sport shocks, anti-roll kits, sway bars, adjustable end links, camber arm kits, wheel spacers, and ERS coilover springs. Product Types in This Collection Shoppers will find Pro-Kit and Special Edition lowering springs, SUV Pro-Kit springs, Pro-Truck lift stages and sport shocks, front and rear anti-roll bar kits, adjustable end links, alignment camber arm kits, and steering s...

View Eibach Products
Lowering Springs

Lowering Springs

Shop lowering springs from Eibach, H&R, Swift Springs, RS-R, UMI Performance, MaxTrac, aFe Control, Ford Racing, Whiteline, Vogtland, ST Suspensions, Belltech, Skyjacker, and Black Ops Auto Works. Find sport lowering springs, Pro-Kit springs, Sportline springs, Spec-R springs, Super Sport springs, Race springs, Down Sus springs, adjustable lowering springs, SUV lowering springs, truck lowering springs, and EV lowering springs for street cars, muscle cars, sport compacts, European performance platforms, SUVs, trucks, and modern EV builds. Lowering springs are the simplest way to drop a vehicle’s ride height. They keep the OE shocks, upper mounts, and suspension geometry components in place and swap only the coil springs for shorter, progressively- or linearly-wound performance springs. Shop by vehicle year, make, model, trim, drop height, spring type (progressive vs linear), and application (street, show, mild-handling, SUV, EV, truck). Lowering springs are the correct choice...

View Lowering Springs Products
Suspension

Suspension

Suspension parts and complete kits for cars, trucks, SUVs, Jeeps, and off-road builds are stocked at Black Ops Auto Works. Shop coilovers, lowering springs, lift kits, leveling kits, shocks and struts, sway bars, control arms, tie rods, ball joints, bushings, chassis bracing, alignment hardware, air suspension, and complete stage kits from Bilstein, KW, Ohlins, Fox, KING, ICON, BC Racing, Silvers, Eibach, H&R, Swift Springs, Whiteline, Energy Suspension, Moog, SPC Performance, Rough Country, ReadyLIFT, BDS, Skyjacker, Air Lift, Firestone, and Black Ops Auto Works. Start with a matched shock and spring package or a full coilover kit, then layer in sway bars, chassis bracing, and camber adjustment hardware. Every part is filterable by year, make, model, trim, and drivetrain to confirm fitment before ordering. What This Category Covers Suspension is the highest-leverage handling upgrade on any vehicle. A properly matched shock, spring, and sway bar package produces measurable i...

View Suspension Products
Military & First Responder Discounts

Military & First Responder Discount Program

Black Ops Auto Works proudly honors active duty military, veterans, National Guard, reserves, police officers, firefighters, and EMTs with an exclusive 5% discount on all performance parts and carbon fiber upgrades. Verify instantly and start saving today.

Learn More & Apply

Your cart

×