Hyperco Conventional Coil Spring 5in ID 16in Tall 125 lb/in Rate — Rear Suspension Upgrade

SKU: BJRF_18SNU-125
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About Hyperco Hyperco engineers high-quality automotive parts and accessories trusted ...Read More

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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 Hyperco

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

Superior Control and Durability

The Hyperco 18SNU-125 Conventional Coil Spring is the ideal solution for drivers seeking a 125 lb/in spring rate for their rear suspension setup. With a 5-inch inside diameter and 16-inch free length, this spring is engineered to provide consistent compression and rebound characteristics, helping to keep your tires planted on the track. Its robust steel construction ensures it can withstand the rigors of competitive racing.

Performance Specifications

  • Spring Rate: 125 lb/in
  • Inside Diameter: 5 inches
  • Free Length: 16 inches
  • Finish: Blue Powder Coat
  • Application: Rear Suspension

Hyperco's commitment to quality means that every spring is inspected for rate accuracy, giving you confidence in your suspension setup. The 125 lb/in rate is a popular choice for those looking to improve cornering stability and reduce body roll. The blue powder coat finish provides a durable barrier against the elements, ensuring your investment remains in top condition. Whether you are fine-tuning your chassis for a specific track or simply looking for a reliable replacement, this Hyperco spring delivers the performance you expect. Experience the difference of professional-grade suspension components designed for maximum durability. For all your racing and performance needs, trust the selection available at GGCRACING.

Product Details

Product Description
Part Numbers
Sizing & Fit

About Hyperco

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

Superior Control and Durability

The Hyperco 18SNU-125 Conventional Coil Spring is the ideal solution for drivers seeking a 125 lb/in spring rate for their rear suspension setup. With a 5-inch inside diameter and 16-inch free length, this spring is engineered to provide consistent compression and rebound characteristics, helping to keep your tires planted on the track. Its robust steel construction ensures it can withstand the rigors of competitive racing.

Performance Specifications

  • Spring Rate: 125 lb/in
  • Inside Diameter: 5 inches
  • Free Length: 16 inches
  • Finish: Blue Powder Coat
  • Application: Rear Suspension

Hyperco's commitment to quality means that every spring is inspected for rate accuracy, giving you confidence in your suspension setup. The 125 lb/in rate is a popular choice for those looking to improve cornering stability and reduce body roll. The blue powder coat finish provides a durable barrier against the elements, ensuring your investment remains in top condition. Whether you are fine-tuning your chassis for a specific track or simply looking for a reliable replacement, this Hyperco spring delivers the performance you expect. Experience the difference of professional-grade suspension components designed for maximum durability. For all your racing and performance needs, trust the selection available at GGCRACING.

Product Details

Product Description

About Hyperco

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

Superior Control and Durability

The Hyperco 18SNU-125 Conventional Coil Spring is the ideal solution for drivers seeking a 125 lb/in spring rate for their rear suspension setup. With a 5-inch inside diameter and 16-inch free length, this spring is engineered to provide consistent compression and rebound characteristics, helping to keep your tires planted on the track. Its robust steel construction ensures it can withstand the rigors of competitive racing.

Performance Specifications

  • Spring Rate: 125 lb/in
  • Inside Diameter: 5 inches
  • Free Length: 16 inches
  • Finish: Blue Powder Coat
  • Application: Rear Suspension

Hyperco's commitment to quality means that every spring is inspected for rate accuracy, giving you confidence in your suspension setup. The 125 lb/in rate is a popular choice for those looking to improve cornering stability and reduce body roll. The blue powder coat finish provides a durable barrier against the elements, ensuring your investment remains in top condition. Whether you are fine-tuning your chassis for a specific track or simply looking for a reliable replacement, this Hyperco spring delivers the performance you expect. Experience the difference of professional-grade suspension components designed for maximum durability. For all your racing and performance needs, trust the selection available at GGCRACING.

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