Aldan American RCX Coil-Over Kit 550lb Spring — Fits 73-88 GM A/G/X-Body

SKU: HCKS_300230
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About Aldan American Aldan American engineers high-quality automotive parts and ...Read More

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Sale price$917.95
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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 Aldan American

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

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Precision Handling for Classic GM Muscle

Upgrade your vehicle's suspension with the Aldan American RCX Series Coil-Over Kit. Designed specifically for GM A-Body (1973-77), G-Body (1978-88), and X-Body (1975-79) platforms, this kit offers unparalleled control and comfort. Featuring a 550 lb/in spring rate and double-adjustable shock technology, you can fine-tune your compression and rebound settings to match your driving style, whether on the street or the track.

Performance Benefits

  • Series: RCX Twintube
  • Adjustability: Double Adjustable (Compression & Rebound)
  • Spring Rate: 550 lb/in
  • Fitment: Front Suspension
  • Construction: High-strength steel and aluminum

The RCX series is engineered to reduce unsprung weight and improve tire contact patch, resulting in sharper turn-in and superior cornering stability. The double-adjustable shocks allow for precise calibration, ensuring your classic muscle car handles like a modern performance machine. Installation is straightforward, providing a direct bolt-on solution that replaces your factory springs and shocks. By upgrading to this coil-over system, you eliminate the guesswork in suspension tuning, allowing you to dial in the perfect ride height and damping characteristics. Experience the difference in handling and road feel that only high-quality suspension engineering can provide. Find the best performance suspension upgrades for your build at GGCRACING.

Product Details

Product Description
Part Numbers
Sizing & Fit

About Aldan American

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

Watch in action

Precision Handling for Classic GM Muscle

Upgrade your vehicle's suspension with the Aldan American RCX Series Coil-Over Kit. Designed specifically for GM A-Body (1973-77), G-Body (1978-88), and X-Body (1975-79) platforms, this kit offers unparalleled control and comfort. Featuring a 550 lb/in spring rate and double-adjustable shock technology, you can fine-tune your compression and rebound settings to match your driving style, whether on the street or the track.

Performance Benefits

  • Series: RCX Twintube
  • Adjustability: Double Adjustable (Compression & Rebound)
  • Spring Rate: 550 lb/in
  • Fitment: Front Suspension
  • Construction: High-strength steel and aluminum

The RCX series is engineered to reduce unsprung weight and improve tire contact patch, resulting in sharper turn-in and superior cornering stability. The double-adjustable shocks allow for precise calibration, ensuring your classic muscle car handles like a modern performance machine. Installation is straightforward, providing a direct bolt-on solution that replaces your factory springs and shocks. By upgrading to this coil-over system, you eliminate the guesswork in suspension tuning, allowing you to dial in the perfect ride height and damping characteristics. Experience the difference in handling and road feel that only high-quality suspension engineering can provide. Find the best performance suspension upgrades for your build at GGCRACING.

Product Details

Product Description

About Aldan American

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

Watch in action

Precision Handling for Classic GM Muscle

Upgrade your vehicle's suspension with the Aldan American RCX Series Coil-Over Kit. Designed specifically for GM A-Body (1973-77), G-Body (1978-88), and X-Body (1975-79) platforms, this kit offers unparalleled control and comfort. Featuring a 550 lb/in spring rate and double-adjustable shock technology, you can fine-tune your compression and rebound settings to match your driving style, whether on the street or the track.

Performance Benefits

  • Series: RCX Twintube
  • Adjustability: Double Adjustable (Compression & Rebound)
  • Spring Rate: 550 lb/in
  • Fitment: Front Suspension
  • Construction: High-strength steel and aluminum

The RCX series is engineered to reduce unsprung weight and improve tire contact patch, resulting in sharper turn-in and superior cornering stability. The double-adjustable shocks allow for precise calibration, ensuring your classic muscle car handles like a modern performance machine. Installation is straightforward, providing a direct bolt-on solution that replaces your factory springs and shocks. By upgrading to this coil-over system, you eliminate the guesswork in suspension tuning, allowing you to dial in the perfect ride height and damping characteristics. Experience the difference in handling and road feel that only high-quality suspension engineering can provide. Find the best performance suspension upgrades for your build at GGCRACING.

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