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

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SKU: QAP9HT550B
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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 - Black

Enhance your vehicle's suspension dynamics with this QA1 High Travel Coilover Spring. Featuring a 9-inch length and a 550 lb/in spring rate, this component is designed to provide increased travel and reduced unsprung weight for superior performance. The spring is finished in a sleek, durable black powder coat. Proudly manufactured in the USA, it's constructed from high-tensile, chrome silicon alloy spring wire. This advanced material enables a design with fewer coils and a smaller wire diameter, leading to a lighter spring that offers greater distance between coils for increased travel and faster suspension response.

Key Features:

  • Diameter: 2-1/2 inch I.D.
  • Length: 9 inches
  • Spring Rate: 550 lb/in
  • Finish: Durable Black Powder Coating
  • Material: High-Tensile Chrome Silicon Alloy Wire
  • Benefit: Reduced unsprung weight for quicker handling and improved road feel.
  • Benefit: Maximized suspension travel for better performance on rough surfaces and during spirited driving.
  • Manufacturing: Proudly made in the USA.

QA1 guarantees that these springs will maintain within 2% of their original free height and rate under normal operating conditions, thanks to their robust construction and quality materials. The design ensures stability even when compressed to coil-bind. By reducing unsprung weight and increasing suspension travel, these springs contribute significantly to optimizing your vehicle's overall performance. Choose this high-quality QA1 coilover spring for a noticeable improvement in your ride. Available now at 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 - Black

Enhance your vehicle's suspension dynamics with this QA1 High Travel Coilover Spring. Featuring a 9-inch length and a 550 lb/in spring rate, this component is designed to provide increased travel and reduced unsprung weight for superior performance. The spring is finished in a sleek, durable black powder coat. Proudly manufactured in the USA, it's constructed from high-tensile, chrome silicon alloy spring wire. This advanced material enables a design with fewer coils and a smaller wire diameter, leading to a lighter spring that offers greater distance between coils for increased travel and faster suspension response.

Key Features:

  • Diameter: 2-1/2 inch I.D.
  • Length: 9 inches
  • Spring Rate: 550 lb/in
  • Finish: Durable Black Powder Coating
  • Material: High-Tensile Chrome Silicon Alloy Wire
  • Benefit: Reduced unsprung weight for quicker handling and improved road feel.
  • Benefit: Maximized suspension travel for better performance on rough surfaces and during spirited driving.
  • Manufacturing: Proudly made in the USA.

QA1 guarantees that these springs will maintain within 2% of their original free height and rate under normal operating conditions, thanks to their robust construction and quality materials. The design ensures stability even when compressed to coil-bind. By reducing unsprung weight and increasing suspension travel, these springs contribute significantly to optimizing your vehicle's overall performance. Choose this high-quality QA1 coilover spring for a noticeable improvement in your ride. Available now at 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 - Black

Enhance your vehicle's suspension dynamics with this QA1 High Travel Coilover Spring. Featuring a 9-inch length and a 550 lb/in spring rate, this component is designed to provide increased travel and reduced unsprung weight for superior performance. The spring is finished in a sleek, durable black powder coat. Proudly manufactured in the USA, it's constructed from high-tensile, chrome silicon alloy spring wire. This advanced material enables a design with fewer coils and a smaller wire diameter, leading to a lighter spring that offers greater distance between coils for increased travel and faster suspension response.

Key Features:

  • Diameter: 2-1/2 inch I.D.
  • Length: 9 inches
  • Spring Rate: 550 lb/in
  • Finish: Durable Black Powder Coating
  • Material: High-Tensile Chrome Silicon Alloy Wire
  • Benefit: Reduced unsprung weight for quicker handling and improved road feel.
  • Benefit: Maximized suspension travel for better performance on rough surfaces and during spirited driving.
  • Manufacturing: Proudly made in the USA.

QA1 guarantees that these springs will maintain within 2% of their original free height and rate under normal operating conditions, thanks to their robust construction and quality materials. The design ensures stability even when compressed to coil-bind. By reducing unsprung weight and increasing suspension travel, these springs contribute significantly to optimizing your vehicle's overall performance. Choose this high-quality QA1 coilover spring for a noticeable improvement in your ride. Available now at GGCRACING.

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