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
Eibach
Shop Eibach suspension parts at Black Ops Auto Works for lowering springs, Pro-Kit springs, Sportline springs, Pro-Truck lift kits, Pro-Truck coilovers, sway bars, anti-roll kits, wheel spacers, Pro-Spacer systems, alignment kits, camber arms, shocks, coilovers, ERS springs, off-road springs, and suspension accessories. Eibach is trusted by enthusiasts who want improved stance, sharper handling, reduced body roll, better ride control, increased ground clearance, and vehicle-specific suspension performance for cars, trucks, SUVs, EVs, and off-road builds. Use this Eibach collection to choose the right suspension upgrade by vehicle platform, ride-height goal, handling goal, and product type. Eibach Pro-Kit and Sportline springs are popular for lowering and stance, Pro-Truck lift systems support trucks and SUVs, Anti-Roll-Kits improve cornering response, Pro-Spacer systems help refine wheel fitment, and ERS springs support custom motorsport or coilover setups. Shop Eibach Suspension P...
View Eibach Products
Lowering Springs
Shop lowering springs at Black Ops Auto Works for improved stance, reduced wheel gap, sharper handling, better road feel, and a more aggressive performance look. This collection includes sport springs, performance lowering springs, SUV lowering springs, Pro-Kit springs, Spec-R springs, Super Sport springs, OE sport springs, lowering coil kits, front lowering springs, rear lowering springs, and vehicle-specific suspension upgrades for cars, trucks, SUVs, EVs, muscle cars, and performance platforms. Use this Lowering Springs collection to find the right spring setup by vehicle platform, drop amount, brand, suspension type, and driving goal. Lowering springs are a popular suspension upgrade for drivers who want a lower stance, improved cornering stability, reduced body roll, better wheel fitment, and a cleaner appearance without moving to a full coilover system. Shop Lowering Springs by Category Black Ops Auto Works carries lowering springs and performance spring upgrades across key ca...
View Lowering Springs Products
Suspension
Aftermarket suspension systems improve handling, ride quality, and ride height adjustment beyond what the factory suspension provides. From lowering springs and coilover kits for sport handling to lift kits and leveling kits for truck and SUV off-road capability, quality suspension components transform how a vehicle rides and handles. Popular Suspension Upgrades Popular suspension upgrades include coilover kits for adjustable ride height and damping, sport lowering springs for improved handling and reduced body roll, performance shock absorbers and strut assemblies, sway bar and end link upgrade kits, subframe brace kits, and complete suspension packages for lifted trucks and off-road SUVs. Alignment kits including camber bolts and camber arms are also frequently ordered after ride height changes. What is the difference between coilovers and lowering springs? Coilovers are complete shock and spring assemblies with adjustable ride height set by threading the spring perch on the shock...
View Suspension Products


