QA1 2.5in ID High Travel Coilover Spring - 9in Length x 550 lb/in - Silver

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SKU: QAP9HT550
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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 QA1

QA1 engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full QA1 lineup with fast shipping and expert fitment support — order with confidence.

QA1 9" High Travel Coilover Spring - 550 lb/in - Silver

Elevate your vehicle's handling and responsiveness with this QA1 High Travel Coilover Spring. Designed for superior performance, this 9-inch spring features a 550 lb/in rate and a striking silver powder-coated finish. Manufactured in the USA, it utilizes advanced high-tensile, chrome silicon alloy spring wire. This premium material allows for a design with fewer coils and a smaller wire diameter, resulting in a significantly lighter spring that offers increased suspension travel and quicker reaction times.

Key Features:

  • Diameter: 2-1/2 inch I.D.
  • Length: 9 inches
  • Spring Rate: 550 lb/in
  • Finish: Durable Silver Powder Coating
  • Material: High-Tensile Chrome Silicon Alloy Wire
  • Benefit: Reduced unsprung weight for enhanced agility and control.
  • Benefit: Greater suspension travel for improved performance over bumps and during aggressive driving.
  • Manufacturing: Proudly made in the USA.

The innovative coil design ensures that these springs can be compressed to coil-bind without negatively impacting their spring rate or free height. This robust construction, combined with careful heat-treating and post-processing, guarantees a long service life. QA1's commitment to quality means these springs are built to optimize suspension dynamics, reduce unwanted weight, and react faster to road inputs. Upgrade your suspension system with this high-performance coilover spring from GGCRACING.

Product Details

Product Description
Part Numbers
Sizing & Fit

About QA1

QA1 engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full QA1 lineup with fast shipping and expert fitment support — order with confidence.

QA1 9" High Travel Coilover Spring - 550 lb/in - Silver

Elevate your vehicle's handling and responsiveness with this QA1 High Travel Coilover Spring. Designed for superior performance, this 9-inch spring features a 550 lb/in rate and a striking silver powder-coated finish. Manufactured in the USA, it utilizes advanced high-tensile, chrome silicon alloy spring wire. This premium material allows for a design with fewer coils and a smaller wire diameter, resulting in a significantly lighter spring that offers increased suspension travel and quicker reaction times.

Key Features:

  • Diameter: 2-1/2 inch I.D.
  • Length: 9 inches
  • Spring Rate: 550 lb/in
  • Finish: Durable Silver Powder Coating
  • Material: High-Tensile Chrome Silicon Alloy Wire
  • Benefit: Reduced unsprung weight for enhanced agility and control.
  • Benefit: Greater suspension travel for improved performance over bumps and during aggressive driving.
  • Manufacturing: Proudly made in the USA.

The innovative coil design ensures that these springs can be compressed to coil-bind without negatively impacting their spring rate or free height. This robust construction, combined with careful heat-treating and post-processing, guarantees a long service life. QA1's commitment to quality means these springs are built to optimize suspension dynamics, reduce unwanted weight, and react faster to road inputs. Upgrade your suspension system with this high-performance coilover spring from GGCRACING.

Product Details

Product Description

About QA1

QA1 engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full QA1 lineup with fast shipping and expert fitment support — order with confidence.

QA1 9" High Travel Coilover Spring - 550 lb/in - Silver

Elevate your vehicle's handling and responsiveness with this QA1 High Travel Coilover Spring. Designed for superior performance, this 9-inch spring features a 550 lb/in rate and a striking silver powder-coated finish. Manufactured in the USA, it utilizes advanced high-tensile, chrome silicon alloy spring wire. This premium material allows for a design with fewer coils and a smaller wire diameter, resulting in a significantly lighter spring that offers increased suspension travel and quicker reaction times.

Key Features:

  • Diameter: 2-1/2 inch I.D.
  • Length: 9 inches
  • Spring Rate: 550 lb/in
  • Finish: Durable Silver Powder Coating
  • Material: High-Tensile Chrome Silicon Alloy Wire
  • Benefit: Reduced unsprung weight for enhanced agility and control.
  • Benefit: Greater suspension travel for improved performance over bumps and during aggressive driving.
  • Manufacturing: Proudly made in the USA.

The innovative coil design ensures that these springs can be compressed to coil-bind without negatively impacting their spring rate or free height. This robust construction, combined with careful heat-treating and post-processing, guarantees a long service life. QA1's commitment to quality means these springs are built to optimize suspension dynamics, reduce unwanted weight, and react faster to road inputs. Upgrade your suspension system with this high-performance coilover spring from GGCRACING.

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