Rough Country 4in Lift Kit Suspension System — Fits 1977-1987 GM Fullsize Truck

SKU: DHTP_25530
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About Rough Country Rough Country engineers high-quality automotive parts and ...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 Rough Country

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

Watch in action

Elevate Your Classic GM Truck

Transform the stance and off-road capability of your 1977-1987 GM fullsize truck with the Rough Country 4-inch suspension lift kit. Engineered for durability and performance, this comprehensive kit provides the clearance needed for larger tires and improved ground clearance on rugged terrain.

Key Features and Components

  • Complete Lift Solution: Includes high-quality leaf springs, steering arm, mounting brackets, and performance shocks.
  • Enhanced Off-Road Geometry: Designed to maintain proper suspension travel and handling characteristics for classic GM platforms.
  • Durable Construction: Built to withstand harsh environments, ensuring long-term reliability for your vintage build.
  • Direct Fitment: Specifically engineered for 1977, 1978, 1979, 1980, 1981, 1982, 1983, 1984, 1985, 1986, and 1987 GM fullsize trucks.

Whether you are restoring a classic workhorse or building a dedicated trail rig, this Rough Country lift kit delivers the perfect balance of height and stability. The included hardware ensures a straightforward installation process for experienced mechanics. Experience superior suspension performance and a more aggressive aesthetic on your vintage truck today. GGCRACING is your trusted source for premium automotive suspension upgrades.

Product Details

Product Description
Part Numbers
Sizing & Fit

About Rough Country

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

Watch in action

Elevate Your Classic GM Truck

Transform the stance and off-road capability of your 1977-1987 GM fullsize truck with the Rough Country 4-inch suspension lift kit. Engineered for durability and performance, this comprehensive kit provides the clearance needed for larger tires and improved ground clearance on rugged terrain.

Key Features and Components

  • Complete Lift Solution: Includes high-quality leaf springs, steering arm, mounting brackets, and performance shocks.
  • Enhanced Off-Road Geometry: Designed to maintain proper suspension travel and handling characteristics for classic GM platforms.
  • Durable Construction: Built to withstand harsh environments, ensuring long-term reliability for your vintage build.
  • Direct Fitment: Specifically engineered for 1977, 1978, 1979, 1980, 1981, 1982, 1983, 1984, 1985, 1986, and 1987 GM fullsize trucks.

Whether you are restoring a classic workhorse or building a dedicated trail rig, this Rough Country lift kit delivers the perfect balance of height and stability. The included hardware ensures a straightforward installation process for experienced mechanics. Experience superior suspension performance and a more aggressive aesthetic on your vintage truck today. GGCRACING is your trusted source for premium automotive suspension upgrades.

Product Details

Product Description

About Rough Country

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

Watch in action

Elevate Your Classic GM Truck

Transform the stance and off-road capability of your 1977-1987 GM fullsize truck with the Rough Country 4-inch suspension lift kit. Engineered for durability and performance, this comprehensive kit provides the clearance needed for larger tires and improved ground clearance on rugged terrain.

Key Features and Components

  • Complete Lift Solution: Includes high-quality leaf springs, steering arm, mounting brackets, and performance shocks.
  • Enhanced Off-Road Geometry: Designed to maintain proper suspension travel and handling characteristics for classic GM platforms.
  • Durable Construction: Built to withstand harsh environments, ensuring long-term reliability for your vintage build.
  • Direct Fitment: Specifically engineered for 1977, 1978, 1979, 1980, 1981, 1982, 1983, 1984, 1985, 1986, and 1987 GM fullsize trucks.

Whether you are restoring a classic workhorse or building a dedicated trail rig, this Rough Country lift kit delivers the perfect balance of height and stability. The included hardware ensures a straightforward installation process for experienced mechanics. Experience superior suspension performance and a more aggressive aesthetic on your vintage truck today. GGCRACING is your trusted source for premium automotive suspension upgrades.

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