Eibach ERS 12" Coil-Over Spring — 3" ID

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SKU: EIB1200.300.0400S
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About Eibach Eibach Springs has supplied OE and motorsport teams ...Read More

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Sale price$118.89 Regular price$121.11
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Car Wheel Size Chart

Wheel Diameter (inches) Tire Width (mm) Aspect Ratio Rim Width (inches)
14185655.5
15195606.0
16205556.5
17215507.0
18225457.5
19235408.0
20245358.5

Note: Wheel and tire sizes vary by car make and model. Always consult your vehicle’s manufacturer for exact specifications.

How to Read Tire Size

Example: 225/45R17 means:

  • 225 = Tire width in mm
  • 45 = Aspect ratio (height as % of width)
  • R17 = Rim diameter in inches

Product Details

Product Description
Part Numbers
Sizing & Fit

About Eibach

Eibach Springs has supplied OE and motorsport teams since 1951 — Formula 1, NASCAR, IMSA, and OE Porsche, BMW, and Ford GT programs. From Pro-Kit street springs to Pro-Truck off-road and Pro-Street coilovers, every Eibach product carries spring-engineering heritage.

Watch in action

Eibach ERS 12" x 3" ID Coil-Over Spring

Elevate your vehicle's suspension performance with the Eibach ERS (Eibach Racing Spring) coil-over spring. Measuring 12 inches in length with a 3-inch inner diameter, this spring is precision-engineered for demanding racing and performance applications. Eibach is renowned for its commitment to quality and innovation in suspension technology.

Key Features & Benefits:

  • Race-Proven Performance: Part of Eibach's highly regarded ERS line, trusted by racers worldwide.
  • Precision Engineering: Manufactured with extreme precision to ensure consistent spring rates and tolerances.
  • Linear Spring Characteristics: Achieves a highly linear spring rate for predictable handling and control.
  • Durable Construction: Built to withstand the rigors of track use and high-performance driving.
  • Optimized Dimensions: 12.00" length and 3.00" inner diameter are ideal for many performance coil-over setups.
  • Superior Quality: Eibach's manufacturing process guarantees the highest quality and reliability in the industry.

The Eibach Race Spring System has evolved into a leading choice for motorsport professionals. Each spring is produced in series with meticulous attention to detail, ensuring that you receive a product that performs consistently and reliably. Whether you're building a track car or a high-performance street vehicle, Eibach springs provide the foundation for superior handling and a responsive driving experience.

Specifications: Length: 12.00 inches, Inner Diameter: 3.00 inches

Product Details

Product Description
Part Numbers
Sizing & Fit

About Eibach

Eibach Springs has supplied OE and motorsport teams since 1951 — Formula 1, NASCAR, IMSA, and OE Porsche, BMW, and Ford GT programs. From Pro-Kit street springs to Pro-Truck off-road and Pro-Street coilovers, every Eibach product carries spring-engineering heritage.

Watch in action

Eibach ERS 12" x 3" ID Coil-Over Spring

Elevate your vehicle's suspension performance with the Eibach ERS (Eibach Racing Spring) coil-over spring. Measuring 12 inches in length with a 3-inch inner diameter, this spring is precision-engineered for demanding racing and performance applications. Eibach is renowned for its commitment to quality and innovation in suspension technology.

Key Features & Benefits:

  • Race-Proven Performance: Part of Eibach's highly regarded ERS line, trusted by racers worldwide.
  • Precision Engineering: Manufactured with extreme precision to ensure consistent spring rates and tolerances.
  • Linear Spring Characteristics: Achieves a highly linear spring rate for predictable handling and control.
  • Durable Construction: Built to withstand the rigors of track use and high-performance driving.
  • Optimized Dimensions: 12.00" length and 3.00" inner diameter are ideal for many performance coil-over setups.
  • Superior Quality: Eibach's manufacturing process guarantees the highest quality and reliability in the industry.

The Eibach Race Spring System has evolved into a leading choice for motorsport professionals. Each spring is produced in series with meticulous attention to detail, ensuring that you receive a product that performs consistently and reliably. Whether you're building a track car or a high-performance street vehicle, Eibach springs provide the foundation for superior handling and a responsive driving experience.

Specifications: Length: 12.00 inches, Inner Diameter: 3.00 inches

Product Details

Product Description

About Eibach

Eibach Springs has supplied OE and motorsport teams since 1951 — Formula 1, NASCAR, IMSA, and OE Porsche, BMW, and Ford GT programs. From Pro-Kit street springs to Pro-Truck off-road and Pro-Street coilovers, every Eibach product carries spring-engineering heritage.

Watch in action

Eibach ERS 12" x 3" ID Coil-Over Spring

Elevate your vehicle's suspension performance with the Eibach ERS (Eibach Racing Spring) coil-over spring. Measuring 12 inches in length with a 3-inch inner diameter, this spring is precision-engineered for demanding racing and performance applications. Eibach is renowned for its commitment to quality and innovation in suspension technology.

Key Features & Benefits:

  • Race-Proven Performance: Part of Eibach's highly regarded ERS line, trusted by racers worldwide.
  • Precision Engineering: Manufactured with extreme precision to ensure consistent spring rates and tolerances.
  • Linear Spring Characteristics: Achieves a highly linear spring rate for predictable handling and control.
  • Durable Construction: Built to withstand the rigors of track use and high-performance driving.
  • Optimized Dimensions: 12.00" length and 3.00" inner diameter are ideal for many performance coil-over setups.
  • Superior Quality: Eibach's manufacturing process guarantees the highest quality and reliability in the industry.

The Eibach Race Spring System has evolved into a leading choice for motorsport professionals. Each spring is produced in series with meticulous attention to detail, ensuring that you receive a product that performs consistently and reliably. Whether you're building a track car or a high-performance street vehicle, Eibach springs provide the foundation for superior handling and a responsive driving experience.

Specifications: Length: 12.00 inches, Inner Diameter: 3.00 inches

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