-10%
Sold out
Eibach Pro-Kit for 99-05 Mazda Miata-Eibach-EIB5535.140
Click to zoom in

Eibach Pro-Kit for 99-05 Mazda Miata

Eibach
EIB5535.140
803050137821
Lowering Springs
Out of stock
$ 438.89 $ 395.00
FREE Ground Shipping!

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

Request For Information

Have questions about Eibach Pro-Kit for 99-05 Mazda Miata? 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

×