SKU: 1600.375.0650S | UPC: 803050448705
EIBACH SILVER COILOVER SPRING – 3.75″ I.D. 160 lb/in 6.5″ Tall Universal
Eibach Silver coilover springs deliver reliable performance in custom coilover setups for drag racing, street performance cars, trucks, and imports. This 3.75″ I.D. spring with 160 lb/in rate and 6.5″ free height maintains consistent suspension response under high loads. Build your coilover with components trusted by racers for repeatable handling and control.
Key Features
- 160 lb/in Spring Rate: Provides balanced load support for front or rear coilover applications, ensuring stable cornering and launch traction.
- 3.75″ Inner Diameter: Fits standard coilover strut bodies from major brands like Bilstein, Koni, and QA1 for easy integration.
- 6.5″ Free Height: Allows adjustable ride height and preload settings to match track or street demands.
- Shot-Peened Silver Finish: Increases fatigue life by up to 200% over standard springs through specialized heat treatment and stress relief.
- Precision Ground Ends: Ensures full perch contact for even load distribution and zero bind during compression.
Product Notes
- Sold individually; order quantities needed for complete setups.
- Imprinted with rate, part number, and color code for quick identification.
- Handle with care to preserve powder-coated finish and spring integrity.
Installation Notes
- Professional installation recommended.
- Preload spring 1-2 turns max during assembly to avoid coil bind.
- Compatible with most threaded body adjustable coilovers; verify strut OD under 3.75″.
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| Universal | Custom | Coilover Builds | 3.75″ ID Struts |
| 1987-2004 | Ford | Mustang | Custom Coilovers |
| 1993-1998 | Toyota | Supra | Drag/Street |
| 1989-1998 | Nissan | 240SX | S13/S14 Coilovers |
| 1991-1999 | BMW | 3 Series | E36 Custom |
Why Choose Eibach?
- Motorsport-proven in NHRA, Formula Drift, and global racing series.
- High-tensile chrome silicon steel for consistent rates over thousands of cycles.
- Made in USA with computer-controlled winding and 20% tighter tolerances.
Frequently Asked Questions
- Q: Does this spring fit my coilover kit?
A: Yes, if your strut body outer diameter is 3.75″ or less; common in drag packs, Fortune Auto, BC Racing, and Tein coilovers. - Q: What material is used?
A: Premium chrome silicon steel, shot-peened, nitrogen-infused, and epoxy powder-coated for corrosion resistance and longevity. - Q: What is the warranty?
A: Eibach limited lifetime warranty against defects in material or workmanship when installed and used properly.
Shipping & Handling
- Method: UPS Ground / USPS Priority
- Availability: In stock – ships same or next business day
- Packaging: Compact box 7.1 x 4.2 x 4.2 inches
- Weight: 3.1 lbs
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