SKU: 3594.140 | UPC: 803050254504
Eibach Pro-Kit for 03-04 Ford Mustang Cobra Convertible and Coupe
Eibach Pro-Kit 3594.140 is a performance lowering spring set designed specifically for 2003-2004 Ford Mustang SVT Cobra models with Independent Rear Suspension (IRS), fitting both coupe and convertible. This kit lowers the front by 1.0 inch and the rear by 1.1 inch while maintaining smooth ride quality with factory dampers. Drivers gain enhanced steering response, better cornering stability, and aggressive stance for track or street use.
Key Features
- Precise Lowering: Front drop of 1.0 inch and rear drop of 1.1 inch improves center of gravity for quicker handling without sacrificing comfort.
- Progressive Spring Design: Variable rates deliver linear response, absorbing bumps effectively while firming up during aggressive driving.
- High-Strength Materials: Forged from chrome silicon steel, shot-peened, and heat-treated for 700+ lbs/ft fatigue strength and longevity.
- Corrosion Protection: Epoxy powder coat finish resists rust in harsh conditions, ensuring lasting performance.
- Million-Mile Warranty: Backed by Eibach’s lifetime guarantee against sagging or defects for peace of mind.
Product Notes
- For IRS-equipped Cobras only; not compatible with solid axle models.
- Tested and validated with factory OEM dampers for direct bolt-on fit.
- Ships in protective cardboard box; standard ground shipping available.
Installation Notes
- Professional installation recommended.
- Requires spring compressor tool for safe removal and install.
- Direct fit with factory mounting hardware; no modifications needed.
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2003-2004 | Ford | Mustang | SVT Cobra |
Why Choose Eibach?
- Over 45 years of suspension expertise from German engineering.
- Proven in Formula Drift, Baja 1000, and NHRA racing applications.
- Spring production accuracy within 1/10mm tolerances for consistent performance.
Frequently Asked Questions
- Q: Does this fit both coupe and convertible 03-04 Mustang Cobras?
A: Yes, designed for all IRS-equipped 2003-2004 Ford Mustang SVT Cobra coupe and convertible models with no differences in fitment. - Q: What material are the springs made from?
A: High-tensile chrome silicon steel, shot-peened, nitrogen-fertilized, and epoxy-coated for superior durability and rust resistance. - Q: What is the warranty and installation time?
A: Million-mile warranty against defects; install takes 3-5 hours per side with basic tools and professional experience advised.
Shipping & Handling
- Method: Standard ground shipping
- Availability: In stock – ships same or next business day
- Packaging: Protective cardboard box dimensions 21 x 7 x 7 inches
- Weight: 26 lbs
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