SKU: 0500.225.0950 | UPC: 803050103765
Eibach ERS Linear Main Spring - Dia. 2.25 in | Len: 5.00 in | Rate: 950 lbs/in
Equip your strut-type coilover shocks with the Eibach ERS 5.00 in. Length x 2.25 in. ID Coil-Over Spring, a single red linear-rate spring built for racing and performance setups. This 950 lbs/in (16.96 kg/mm) spring offers 2.52 in (64 mm) travel and block height in a lightweight 2.05 lbs (0.93 kg) package. Racers rely on its precise measurements for consistent handling in drag, road course, and custom applications.
Key Features
- Full Range Availability: Part of Eibach's extensive coilover spring lineup covering diverse rates and sizes for any build.
- Maximum Travel, Minimal Block: Delivers 2.52 in usable travel with 2.52 in block height, preserving full suspension stroke under load.
- Ultra-Lightweight Design: At just 2.05 lbs, reduces unsprung mass for quicker response and better tire contact.
- Individually Tested: Every spring undergoes rigorous quality checks for rate accuracy and durability.
- High Linearity: Linear rate ensures predictable performance with guaranteed consistency coil to coil.
Product Notes
- Sold as single spring; order quantities as needed for dual-spring setups.
- Red powder coat finish resists corrosion in harsh racing environments.
- Special order item; verify stock before purchase.
Installation Notes
- Professional installation recommended.
- Confirm shock outer diameter fits within 2.25 in ID; use Eibach or compatible spring perches.
- Torque retainers to manufacturer specs; cycle suspension before track use.
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| All Years | Universal | Strut Coilover Shocks | 2.25 in ID Compatible |
| - | - | Custom Race Builds | Drag/Road Course |
| - | - | Performance Coilovers | Bilstein/Koni/etc. |
Why Choose Eibach?
- Springs trusted by professional racers worldwide for decades.
- Shot-peened, heat-treated steel construction for long-term reliability.
- Engineered to exact tolerances at Eibach's California facility.
Frequently Asked Questions
-
Q: Does this spring fit specific coilover brands?
A: Fits most aftermarket coilover shocks with 2.25 in ID compatibility, including QA1, AFCO, and custom struts; check OD clearance. -
Q: What material is used?
A: High-tensile chrome-vanadium steel, shot-peened and preset for fatigue resistance under high loads up to 2371 lbs block load. -
Q: What warranty applies?
A: Backed by Eibach's racing spring warranty; contact manufacturer for details on defects and proper use.
Shipping & Handling
- Method: UPS Ground or FedEx
- Availability: In stock - ships same or next business day
- Packaging: Protective cardboard tube, approx. 6 x 3 x 3 in
- Weight: 2.05 lbs (ships at 2.10 lbs)
Coilover Springs
Shop coilover springs, replacement coilover coils, ID60 and ID65 sport springs, ERS race springs, QA1 high-travel coilover springs, off-road lift coils, and Jeep coilover replacement springs from Eibach, Swift Springs, Hyperco, QA1, H&R, Vogtland, KW, Ground Control, Rock Krawler, RockJock, ARB / Old Man Emu, and other coilover-spring specialists. Find coilover springs for street/track sport-compact and European coilover platforms (ID60, ID62, ID65, ID70, 2.25 inch, 2.5 inch), race-application ERS springs, off-road lift coils for Wrangler JK/JL/Gladiator/JT/JKU, ARB / OME Toyota Land Cruiser and 4Runner replacement coils, RockJock lift springs, and QA1 high-travel muscle-car coilover coils. Coilover springs are the replaceable coils that wrap the shock body inside a coilover assembly. Swapping the spring changes ride height, spring rate, and the balance between comfort and cornering support without buying a new coilover. Filter by inner diameter (ID), free length, spring rate...
View Coilover Springs Products
Coilovers & Components
Coilovers and coilover components are stocked at Black Ops Auto Works for trucks, SUVs, muscle cars, and street performance builds. Shop complete coilover kits, coilover springs, lowering springs, shock boots, dampening adjustment extenders, and suspension hardware for Ford, Toyota, Chevrolet, Jeep, Dodge, and Porsche platforms. Every product is filterable by year, make, model, trim, and drivetrain so the correct coilover setup ships the first time. Black Ops Auto Works carries 2,259 coilover and component SKUs across street, off-road, and track categories. What This Collection Covers Coilovers combine a coil spring and a shock absorber into a single adjustable unit, giving control over ride height and, on many models, damping stiffness. This collection also includes the individual components used to service, upgrade, or protect an existing coilover system. Product Categories Complete coilover kits, individual coilover shocks, coilover springs, lowering springs, protective shock...
View Coilovers & Components Products
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
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


