Eibach ERS 12.00in Length 3.00in ID 350lbs Coil-Over Spring — Universal Race Suspension

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SKU: EIB1200.300.0350S
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About Eibach Eibach Springs has supplied OE and motorsport teams ...Read More

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Sale price$109.00 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.

Unmatched Handling with Eibach ERS 350lb Springs

Take control of your vehicle's handling with the Eibach ERS 12.00-inch length, 3.00-inch ID, 350 lbs/in coil-over spring. Engineered for those who need a stiffer setup to combat body roll and improve turn-in response, these springs are the preferred choice for professional race teams and serious track day enthusiasts. Eibach's commitment to quality ensures that your suspension remains consistent, lap after lap.

Performance Benefits

  • Stiffer Spring Rate: Ideal for high-downforce applications or track-focused setups.
  • Linear Performance: Predictable compression for better driver confidence.
  • High-Quality Materials: Fatigue-resistant steel for long-term reliability.
  • Universal Compatibility: Fits most 3-inch ID coil-over sleeves.

The Eibach ERS line is renowned for its industry-leading tolerances. By utilizing advanced manufacturing techniques, Eibach produces springs that are lighter and more durable than the competition. This 350 lb/in spring provides the firm support necessary for aggressive driving, ensuring your tires maintain optimal contact with the track surface. Whether you are upgrading your current coil-over kit or building a custom suspension from the ground up, Eibach provides the precision and reliability you need to succeed. Don't settle for inconsistent suspension; equip your vehicle with the best. Experience the performance difference today at GGCRACING.

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.

Unmatched Handling with Eibach ERS 350lb Springs

Take control of your vehicle's handling with the Eibach ERS 12.00-inch length, 3.00-inch ID, 350 lbs/in coil-over spring. Engineered for those who need a stiffer setup to combat body roll and improve turn-in response, these springs are the preferred choice for professional race teams and serious track day enthusiasts. Eibach's commitment to quality ensures that your suspension remains consistent, lap after lap.

Performance Benefits

  • Stiffer Spring Rate: Ideal for high-downforce applications or track-focused setups.
  • Linear Performance: Predictable compression for better driver confidence.
  • High-Quality Materials: Fatigue-resistant steel for long-term reliability.
  • Universal Compatibility: Fits most 3-inch ID coil-over sleeves.

The Eibach ERS line is renowned for its industry-leading tolerances. By utilizing advanced manufacturing techniques, Eibach produces springs that are lighter and more durable than the competition. This 350 lb/in spring provides the firm support necessary for aggressive driving, ensuring your tires maintain optimal contact with the track surface. Whether you are upgrading your current coil-over kit or building a custom suspension from the ground up, Eibach provides the precision and reliability you need to succeed. Don't settle for inconsistent suspension; equip your vehicle with the best. Experience the performance difference today at GGCRACING.

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.

Unmatched Handling with Eibach ERS 350lb Springs

Take control of your vehicle's handling with the Eibach ERS 12.00-inch length, 3.00-inch ID, 350 lbs/in coil-over spring. Engineered for those who need a stiffer setup to combat body roll and improve turn-in response, these springs are the preferred choice for professional race teams and serious track day enthusiasts. Eibach's commitment to quality ensures that your suspension remains consistent, lap after lap.

Performance Benefits

  • Stiffer Spring Rate: Ideal for high-downforce applications or track-focused setups.
  • Linear Performance: Predictable compression for better driver confidence.
  • High-Quality Materials: Fatigue-resistant steel for long-term reliability.
  • Universal Compatibility: Fits most 3-inch ID coil-over sleeves.

The Eibach ERS line is renowned for its industry-leading tolerances. By utilizing advanced manufacturing techniques, Eibach produces springs that are lighter and more durable than the competition. This 350 lb/in spring provides the firm support necessary for aggressive driving, ensuring your tires maintain optimal contact with the track surface. Whether you are upgrading your current coil-over kit or building a custom suspension from the ground up, Eibach provides the precision and reliability you need to succeed. Don't settle for inconsistent suspension; equip your vehicle with the best. Experience the performance difference today at GGCRACING.

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