SKU: 5535.140 | UPC: 803050137821
Eibach Pro-Kit Performance Springs for 1999-2005 Mazda Miata
Eibach Pro-Kit 5535.140 delivers performance lowering springs designed specifically for the 1999-2005 Mazda Miata NB chassis, including Base, LS, Mazdaspeed, SE, 10th Anniversary, and Shinsen submodels. These springs lower the front by 1.0 inch (25mm) and rear by 0.8 inch (20mm), reducing center of gravity for improved steering response and cornering grip. Retain daily drivability with progressive spring rates that balance sporty performance and comfort.
Key Features
- Precise Lowering: Front drop of 1.0″ (25mm), rear 0.8″ (20mm) optimized for Miata geometry to enhance stability without compromising suspension travel.
- Progressive Spring Rates: Front 32-45 N/mm, rear 40-55 N/mm provide linear response for aggressive driving while absorbing road imperfections.
- High-Strength Construction: Made from cold-wound chrome-silicon steel, shot-peened, powder-coated, and epoxy protected for corrosion resistance and long-term durability.
- Direct Bolt-On Fit: Engineered for OEM strut compatibility on all listed Miata models, no cutting or modifications required.
- Lifetime Warranty: Backed by Eibach’s million-mile guarantee against sagging or defects under normal use.
Product Notes
- Special order item; processing time 3-5 business days before shipping.
- Pair with Eibach sway bars or alignment kits for complete handling upgrade.
- Ships via standard ground in protective packaging.
Installation Notes
- Professional installation recommended.
- Requires spring compressor tool; torque struts to OEM specs (front 47-58 ft-lbs, rear 41-59 ft-lbs).
- Compatible with factory or most aftermarket shocks; check ride height post-install and realign wheels.
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1999 | Mazda | Miata | 10th Anniversary |
| 1999-2005 | Mazda | Miata | Base |
| 2000-2005 | Mazda | Miata | LS |
| 2004-2005 | Mazda | Miata | Mazdaspeed |
| 2000-2003 | Mazda | Miata | SE |
| 2003 | Mazda | Miata | Shinsen |
Why Choose Eibach?
- Motorsport-proven in racing series worldwide for reliable performance.
- German manufacturing ensures consistent quality and exact tolerances.
- Over 40 years of suspension engineering focused on street and track applications.
Frequently Asked Questions
- Q: Will this fit my 2001 Mazda Miata LS with stock suspension?
A: Yes, 5535.140 Pro-Kit bolts directly onto 1999-2005 Miata LS models with OEM struts; no adapters needed. - Q: What material are the springs made from?
A: High-tensile chrome-silicon steel alloy, heat-treated, shot-peened, and finished with epoxy coating for rust protection. - Q: What warranty coverage applies?
A: Lifetime warranty against spring sag or manufacturing defects; contact Eibach with proof of purchase for claims.
Shipping & Handling
- Method: Standard ground shipping
- Availability: Special order – ships within 3-5 business days
- Packaging: Secure box dimensions 20.5 x 14.6 x 3.5 inches
- Weight: 15.65 lbs
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