Aldan American RCX Double Adjustable Coil-Over Kit 450F/160R lb/in — Fits 1978-1988 GM G-Body

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SKU: HCKS_300241
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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.

Modernize Your Ride: Aldan American RCX Coil-Over Kit for 1978-1988 GM G-Body

Revitalize the performance and stance of your 1978-1988 GM G-Body with the Aldan American RCX Series Double Adjustable Coil-Over Kit. This complete front and rear suspension system is engineered to provide a dramatic improvement in handling, stability, and ride quality. Perfect for enthusiasts looking to enhance their G-Body's capabilities for street, strip, or show, this kit offers unparalleled adjustability to dial in your desired performance.

RCX Series: Advanced Performance for G-Body

  • Front & Rear Double Adjustable: Achieve precise control over your vehicle's dynamics by independently tuning both compression and rebound damping at all four corners.
  • Optimized Spring Rates: Features a 450 lb/in front spring rate for sharp steering response and a 160 lb/in rear spring rate for excellent rear-end stability and comfort.
  • Twintube Construction: Ensures consistent and reliable damping performance across a wide range of driving conditions.
  • Small Block Compatibility: Designed for seamless integration with Small Block engine applications, guaranteeing optimal fit and function.

Vehicle Fitment & Specifications

This Aldan American RCX Coil-Over Kit is specifically designed for both the front and rear suspension of:

  • 1978-1988 GM G-Body vehicles (e.g., Chevrolet Monte Carlo, Pontiac Grand Prix, Oldsmobile Cutlass, Buick Regal)

Part Number: 300241

Experience the transformation of your G-Body with Aldan American's cutting-edge coil-over technology, delivering a superior driving experience.

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.

Modernize Your Ride: Aldan American RCX Coil-Over Kit for 1978-1988 GM G-Body

Revitalize the performance and stance of your 1978-1988 GM G-Body with the Aldan American RCX Series Double Adjustable Coil-Over Kit. This complete front and rear suspension system is engineered to provide a dramatic improvement in handling, stability, and ride quality. Perfect for enthusiasts looking to enhance their G-Body's capabilities for street, strip, or show, this kit offers unparalleled adjustability to dial in your desired performance.

RCX Series: Advanced Performance for G-Body

  • Front & Rear Double Adjustable: Achieve precise control over your vehicle's dynamics by independently tuning both compression and rebound damping at all four corners.
  • Optimized Spring Rates: Features a 450 lb/in front spring rate for sharp steering response and a 160 lb/in rear spring rate for excellent rear-end stability and comfort.
  • Twintube Construction: Ensures consistent and reliable damping performance across a wide range of driving conditions.
  • Small Block Compatibility: Designed for seamless integration with Small Block engine applications, guaranteeing optimal fit and function.

Vehicle Fitment & Specifications

This Aldan American RCX Coil-Over Kit is specifically designed for both the front and rear suspension of:

  • 1978-1988 GM G-Body vehicles (e.g., Chevrolet Monte Carlo, Pontiac Grand Prix, Oldsmobile Cutlass, Buick Regal)

Part Number: 300241

Experience the transformation of your G-Body with Aldan American's cutting-edge coil-over technology, delivering a superior driving experience.

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.

Modernize Your Ride: Aldan American RCX Coil-Over Kit for 1978-1988 GM G-Body

Revitalize the performance and stance of your 1978-1988 GM G-Body with the Aldan American RCX Series Double Adjustable Coil-Over Kit. This complete front and rear suspension system is engineered to provide a dramatic improvement in handling, stability, and ride quality. Perfect for enthusiasts looking to enhance their G-Body's capabilities for street, strip, or show, this kit offers unparalleled adjustability to dial in your desired performance.

RCX Series: Advanced Performance for G-Body

  • Front & Rear Double Adjustable: Achieve precise control over your vehicle's dynamics by independently tuning both compression and rebound damping at all four corners.
  • Optimized Spring Rates: Features a 450 lb/in front spring rate for sharp steering response and a 160 lb/in rear spring rate for excellent rear-end stability and comfort.
  • Twintube Construction: Ensures consistent and reliable damping performance across a wide range of driving conditions.
  • Small Block Compatibility: Designed for seamless integration with Small Block engine applications, guaranteeing optimal fit and function.

Vehicle Fitment & Specifications

This Aldan American RCX Coil-Over Kit is specifically designed for both the front and rear suspension of:

  • 1978-1988 GM G-Body vehicles (e.g., Chevrolet Monte Carlo, Pontiac Grand Prix, Oldsmobile Cutlass, Buick Regal)

Part Number: 300241

Experience the transformation of your G-Body with Aldan American's cutting-edge coil-over technology, delivering a superior driving experience.

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