Hyperco 18S-275 Rear Coil Spring 275 lb/in Rate — 5in ID, 13in Tall

SKU: BJRF_18S-275
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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.

Watch in action

Hyperco 18S-275 Rear Coil Spring: Unrivaled Rigidity and Control

Experience the pinnacle of rear suspension performance with the Hyperco 18S-275 Coil Spring. This conventional coil spring is engineered for the most demanding motorsport applications, boasting an ultra-stiff 275 lb/in spring rate. It's the definitive choice for professional racers and serious enthusiasts who require absolute control, minimal suspension travel, and maximum responsiveness in high-load, high-speed scenarios.

Engineered for Championship Performance

The 18S-275 spring is a product of Hyperco's relentless pursuit of engineering perfection. Crafted from a proprietary blend of high-strength steel, each spring is meticulously manufactured to deliver unparalleled consistency, exceptional fatigue life, and precise spring rate accuracy. The signature blue powder coat finish not only provides a distinctive look but also offers superior resistance to corrosion and abrasion, ensuring peak performance under the most grueling conditions.

  • Spring Rate: 275 lb/in for maximum rigidity and race-level control
  • Dimensions: 5 inch Outer Diameter, 13 inch Length
  • Position: Rear-specific design for critical weight management
  • Material: Advanced Steel Alloy for extreme strength and endurance
  • Finish: Robust Blue Powder Coat for ultimate protection

Dominate the Track

Integrating the Hyperco 18S-275 coil spring into your race setup will provide an immediate and profound impact on your vehicle's dynamics. Expect razor-sharp turn-in, virtually eliminated body roll, and unparalleled feedback from the road surface. This spring is essential for dialing in a competition-ready suspension, allowing you to push the limits of grip and achieve faster lap times with unwavering confidence.

For the ultimate competitive edge in suspension technology, choose Hyperco from GGCRACING.COM.

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.

Watch in action

Hyperco 18S-275 Rear Coil Spring: Unrivaled Rigidity and Control

Experience the pinnacle of rear suspension performance with the Hyperco 18S-275 Coil Spring. This conventional coil spring is engineered for the most demanding motorsport applications, boasting an ultra-stiff 275 lb/in spring rate. It's the definitive choice for professional racers and serious enthusiasts who require absolute control, minimal suspension travel, and maximum responsiveness in high-load, high-speed scenarios.

Engineered for Championship Performance

The 18S-275 spring is a product of Hyperco's relentless pursuit of engineering perfection. Crafted from a proprietary blend of high-strength steel, each spring is meticulously manufactured to deliver unparalleled consistency, exceptional fatigue life, and precise spring rate accuracy. The signature blue powder coat finish not only provides a distinctive look but also offers superior resistance to corrosion and abrasion, ensuring peak performance under the most grueling conditions.

  • Spring Rate: 275 lb/in for maximum rigidity and race-level control
  • Dimensions: 5 inch Outer Diameter, 13 inch Length
  • Position: Rear-specific design for critical weight management
  • Material: Advanced Steel Alloy for extreme strength and endurance
  • Finish: Robust Blue Powder Coat for ultimate protection

Dominate the Track

Integrating the Hyperco 18S-275 coil spring into your race setup will provide an immediate and profound impact on your vehicle's dynamics. Expect razor-sharp turn-in, virtually eliminated body roll, and unparalleled feedback from the road surface. This spring is essential for dialing in a competition-ready suspension, allowing you to push the limits of grip and achieve faster lap times with unwavering confidence.

For the ultimate competitive edge in suspension technology, choose Hyperco from GGCRACING.COM.

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.

Watch in action

Hyperco 18S-275 Rear Coil Spring: Unrivaled Rigidity and Control

Experience the pinnacle of rear suspension performance with the Hyperco 18S-275 Coil Spring. This conventional coil spring is engineered for the most demanding motorsport applications, boasting an ultra-stiff 275 lb/in spring rate. It's the definitive choice for professional racers and serious enthusiasts who require absolute control, minimal suspension travel, and maximum responsiveness in high-load, high-speed scenarios.

Engineered for Championship Performance

The 18S-275 spring is a product of Hyperco's relentless pursuit of engineering perfection. Crafted from a proprietary blend of high-strength steel, each spring is meticulously manufactured to deliver unparalleled consistency, exceptional fatigue life, and precise spring rate accuracy. The signature blue powder coat finish not only provides a distinctive look but also offers superior resistance to corrosion and abrasion, ensuring peak performance under the most grueling conditions.

  • Spring Rate: 275 lb/in for maximum rigidity and race-level control
  • Dimensions: 5 inch Outer Diameter, 13 inch Length
  • Position: Rear-specific design for critical weight management
  • Material: Advanced Steel Alloy for extreme strength and endurance
  • Finish: Robust Blue Powder Coat for ultimate protection

Dominate the Track

Integrating the Hyperco 18S-275 coil spring into your race setup will provide an immediate and profound impact on your vehicle's dynamics. Expect razor-sharp turn-in, virtually eliminated body roll, and unparalleled feedback from the road surface. This spring is essential for dialing in a competition-ready suspension, allowing you to push the limits of grip and achieve faster lap times with unwavering confidence.

For the ultimate competitive edge in suspension technology, choose Hyperco from GGCRACING.COM.

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