Rancho Front U-Bolt Kit — Fits 1973-1986 Chevrolet Blazer, K10, K20, K5, Suburban; GMC Jimmy, K15, K1500, K25, K2500, Suburban

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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 Rancho

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

Watch in action

Rancho Front U-Bolt Kit for Classic Chevy & GMC Trucks

Ensure your classic Chevrolet or GMC truck's suspension is secure and performing optimally with this high-quality Front U-Bolt Kit from Rancho. Designed specifically for a wide range of 1973-1986 models, this kit provides the essential hardware needed to properly mount your leaf springs, crucial for a stable and comfortable ride, whether you're cruising the streets or tackling off-road trails.

Key Features & Benefits:

  • Durable Construction: Built with robust materials to withstand the demands of daily driving and off-road use.
  • Precise Fitment: Engineered for a direct fit on numerous Chevrolet and GMC vehicles, including the K5 Blazer, K10, K20, Suburban, Jimmy, and K15/K1500/K25/K2500 series trucks.
  • Enhanced Stability: Properly torqued U-bolts are critical for maintaining suspension integrity and preventing unwanted movement.
  • Complete Kit: Includes all necessary U-bolts and hardware for a straightforward installation.
  • Restored Ride Quality: Helps bring back the original ride comfort and handling characteristics of your vehicle.

This kit is compatible with 4WD models and is essential for maintaining the structural integrity of your suspension system. If you're restoring a classic or upgrading your suspension, the Rancho Front U-Bolt Kit is a reliable choice. Trust Rancho for quality suspension components that deliver performance and longevity for your cherished vehicle. Find this essential upgrade and more at GGCRACING.

Vehicle Fitment

Years Make Model Trim
1973-1974 Chevrolet Blazer Base
1975-1980 Chevrolet K10 Custom Deluxe
1975-1981 Chevrolet K10 Cheyenne
1975-1986 Chevrolet K10 Scottsdale
1975-1986 Chevrolet K10 Silverado
1981 Chevrolet K10 Deluxe
1981-1986 Chevrolet K10 Custom
1973-1974 Chevrolet K10 Pickup Base
1976-1977 Chevrolet K10 Suburban Silverado
1976-1980 Chevrolet K10 Suburban Custom Deluxe
1976-1980 Chevrolet K10 Suburban Scottsdale
1979-1980 Chevrolet K10 Suburban Silverado
1981 Chevrolet K10 Suburban Deluxe
1981-1986 Chevrolet K10 Suburban Custom
1982 Chevrolet K10 Suburban Scottsdale
1982-1983 Chevrolet K10 Suburban Silverado
1984-1986 Chevrolet K10 Suburban Scottsdale
1985-1986 Chevrolet K10 Suburban Silverado
1976-1980 Chevrolet K20 Custom Deluxe
1976-1981 Chevrolet K20 Cheyenne
1976-1983 Chevrolet K20 Scottsdale
1976-1983 Chevrolet K20 Silverado
1981 Chevrolet K20 Deluxe
1981-1983 Chevrolet K20 Custom
1976-1977 Chevrolet K20 Suburban Silverado
1976-1980 Chevrolet K20 Suburban Custom Deluxe
1976-1980 Chevrolet K20 Suburban Scottsdale
1979-1980 Chevrolet K20 Suburban Silverado
1981 Chevrolet K20 Suburban Deluxe
1981-1983 Chevrolet K20 Suburban Custom
1982 Chevrolet K20 Suburban Scottsdale
1982-1983 Chevrolet K20 Suburban Silverado
1975 Chevrolet K5 Blazer Custom Deluxe
1975-1980 Chevrolet K5 Blazer Cheyenne
1976 Chevrolet K5 Blazer Base
1977-1980 Chevrolet K5 Blazer Custom Deluxe
1978 Chevrolet K5 Blazer Silverado
1980-1986 Chevrolet K5 Blazer Silverado
1981 Chevrolet K5 Blazer Deluxe
1981-1986 Chevrolet K5 Blazer Custom
1984 Chevrolet K5 Blazer Scottsdale
1987 Chevrolet V10 Suburban Custom Deluxe
1987 Chevrolet V10 Suburban Scottsdale
1987 Chevrolet V10 Suburban Silverado
1973-1986 GMC Jimmy Base
1975-1982 GMC Jimmy Sierra Grande
1975-1985 GMC Jimmy High Sierra
1975-1986 GMC Jimmy Sierra Classic
1976-1978 GMC K15 High Sierra
1976-1978 GMC K15 Sierra Classic
1976-1978 GMC K15 Sierra Grande
1976-1978 GMC K15 Base
1977 GMC K15 Indy Hauler
1976-1978 GMC K15 Suburban Sierra Grande
1976-1978 GMC K15 Suburban Base
1976-1978 GMC K15 Suburban High Sierra
1976-1978 GMC K15 Suburban Sierra Classic
1973-1974 GMC K15/K1500 Pickup Base
1973-1974 GMC K15/K1500 Suburban Base
1979-1982 GMC K1500 Sierra Grande

…and 26 additional fitments. Contact us to confirm yours.

Product Details

Product Description
Part Numbers
Sizing & Fit

About Rancho

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

Watch in action

Rancho Front U-Bolt Kit for Classic Chevy & GMC Trucks

Ensure your classic Chevrolet or GMC truck's suspension is secure and performing optimally with this high-quality Front U-Bolt Kit from Rancho. Designed specifically for a wide range of 1973-1986 models, this kit provides the essential hardware needed to properly mount your leaf springs, crucial for a stable and comfortable ride, whether you're cruising the streets or tackling off-road trails.

Key Features & Benefits:

  • Durable Construction: Built with robust materials to withstand the demands of daily driving and off-road use.
  • Precise Fitment: Engineered for a direct fit on numerous Chevrolet and GMC vehicles, including the K5 Blazer, K10, K20, Suburban, Jimmy, and K15/K1500/K25/K2500 series trucks.
  • Enhanced Stability: Properly torqued U-bolts are critical for maintaining suspension integrity and preventing unwanted movement.
  • Complete Kit: Includes all necessary U-bolts and hardware for a straightforward installation.
  • Restored Ride Quality: Helps bring back the original ride comfort and handling characteristics of your vehicle.

This kit is compatible with 4WD models and is essential for maintaining the structural integrity of your suspension system. If you're restoring a classic or upgrading your suspension, the Rancho Front U-Bolt Kit is a reliable choice. Trust Rancho for quality suspension components that deliver performance and longevity for your cherished vehicle. Find this essential upgrade and more at GGCRACING.

Vehicle Fitment

Years Make Model Trim
1973-1974 Chevrolet Blazer Base
1975-1980 Chevrolet K10 Custom Deluxe
1975-1981 Chevrolet K10 Cheyenne
1975-1986 Chevrolet K10 Scottsdale
1975-1986 Chevrolet K10 Silverado
1981 Chevrolet K10 Deluxe
1981-1986 Chevrolet K10 Custom
1973-1974 Chevrolet K10 Pickup Base
1976-1977 Chevrolet K10 Suburban Silverado
1976-1980 Chevrolet K10 Suburban Custom Deluxe
1976-1980 Chevrolet K10 Suburban Scottsdale
1979-1980 Chevrolet K10 Suburban Silverado
1981 Chevrolet K10 Suburban Deluxe
1981-1986 Chevrolet K10 Suburban Custom
1982 Chevrolet K10 Suburban Scottsdale
1982-1983 Chevrolet K10 Suburban Silverado
1984-1986 Chevrolet K10 Suburban Scottsdale
1985-1986 Chevrolet K10 Suburban Silverado
1976-1980 Chevrolet K20 Custom Deluxe
1976-1981 Chevrolet K20 Cheyenne
1976-1983 Chevrolet K20 Scottsdale
1976-1983 Chevrolet K20 Silverado
1981 Chevrolet K20 Deluxe
1981-1983 Chevrolet K20 Custom
1976-1977 Chevrolet K20 Suburban Silverado
1976-1980 Chevrolet K20 Suburban Custom Deluxe
1976-1980 Chevrolet K20 Suburban Scottsdale
1979-1980 Chevrolet K20 Suburban Silverado
1981 Chevrolet K20 Suburban Deluxe
1981-1983 Chevrolet K20 Suburban Custom
1982 Chevrolet K20 Suburban Scottsdale
1982-1983 Chevrolet K20 Suburban Silverado
1975 Chevrolet K5 Blazer Custom Deluxe
1975-1980 Chevrolet K5 Blazer Cheyenne
1976 Chevrolet K5 Blazer Base
1977-1980 Chevrolet K5 Blazer Custom Deluxe
1978 Chevrolet K5 Blazer Silverado
1980-1986 Chevrolet K5 Blazer Silverado
1981 Chevrolet K5 Blazer Deluxe
1981-1986 Chevrolet K5 Blazer Custom
1984 Chevrolet K5 Blazer Scottsdale
1987 Chevrolet V10 Suburban Custom Deluxe
1987 Chevrolet V10 Suburban Scottsdale
1987 Chevrolet V10 Suburban Silverado
1973-1986 GMC Jimmy Base
1975-1982 GMC Jimmy Sierra Grande
1975-1985 GMC Jimmy High Sierra
1975-1986 GMC Jimmy Sierra Classic
1976-1978 GMC K15 High Sierra
1976-1978 GMC K15 Sierra Classic
1976-1978 GMC K15 Sierra Grande
1976-1978 GMC K15 Base
1977 GMC K15 Indy Hauler
1976-1978 GMC K15 Suburban Sierra Grande
1976-1978 GMC K15 Suburban Base
1976-1978 GMC K15 Suburban High Sierra
1976-1978 GMC K15 Suburban Sierra Classic
1973-1974 GMC K15/K1500 Pickup Base
1973-1974 GMC K15/K1500 Suburban Base
1979-1982 GMC K1500 Sierra Grande

…and 26 additional fitments. Contact us to confirm yours.

Product Details

Product Description

About Rancho

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

Watch in action

Rancho Front U-Bolt Kit for Classic Chevy & GMC Trucks

Ensure your classic Chevrolet or GMC truck's suspension is secure and performing optimally with this high-quality Front U-Bolt Kit from Rancho. Designed specifically for a wide range of 1973-1986 models, this kit provides the essential hardware needed to properly mount your leaf springs, crucial for a stable and comfortable ride, whether you're cruising the streets or tackling off-road trails.

Key Features & Benefits:

  • Durable Construction: Built with robust materials to withstand the demands of daily driving and off-road use.
  • Precise Fitment: Engineered for a direct fit on numerous Chevrolet and GMC vehicles, including the K5 Blazer, K10, K20, Suburban, Jimmy, and K15/K1500/K25/K2500 series trucks.
  • Enhanced Stability: Properly torqued U-bolts are critical for maintaining suspension integrity and preventing unwanted movement.
  • Complete Kit: Includes all necessary U-bolts and hardware for a straightforward installation.
  • Restored Ride Quality: Helps bring back the original ride comfort and handling characteristics of your vehicle.

This kit is compatible with 4WD models and is essential for maintaining the structural integrity of your suspension system. If you're restoring a classic or upgrading your suspension, the Rancho Front U-Bolt Kit is a reliable choice. Trust Rancho for quality suspension components that deliver performance and longevity for your cherished vehicle. Find this essential upgrade and more at GGCRACING.

Vehicle Fitment

Years Make Model Trim
1973-1974 Chevrolet Blazer Base
1975-1980 Chevrolet K10 Custom Deluxe
1975-1981 Chevrolet K10 Cheyenne
1975-1986 Chevrolet K10 Scottsdale
1975-1986 Chevrolet K10 Silverado
1981 Chevrolet K10 Deluxe
1981-1986 Chevrolet K10 Custom
1973-1974 Chevrolet K10 Pickup Base
1976-1977 Chevrolet K10 Suburban Silverado
1976-1980 Chevrolet K10 Suburban Custom Deluxe
1976-1980 Chevrolet K10 Suburban Scottsdale
1979-1980 Chevrolet K10 Suburban Silverado
1981 Chevrolet K10 Suburban Deluxe
1981-1986 Chevrolet K10 Suburban Custom
1982 Chevrolet K10 Suburban Scottsdale
1982-1983 Chevrolet K10 Suburban Silverado
1984-1986 Chevrolet K10 Suburban Scottsdale
1985-1986 Chevrolet K10 Suburban Silverado
1976-1980 Chevrolet K20 Custom Deluxe
1976-1981 Chevrolet K20 Cheyenne
1976-1983 Chevrolet K20 Scottsdale
1976-1983 Chevrolet K20 Silverado
1981 Chevrolet K20 Deluxe
1981-1983 Chevrolet K20 Custom
1976-1977 Chevrolet K20 Suburban Silverado
1976-1980 Chevrolet K20 Suburban Custom Deluxe
1976-1980 Chevrolet K20 Suburban Scottsdale
1979-1980 Chevrolet K20 Suburban Silverado
1981 Chevrolet K20 Suburban Deluxe
1981-1983 Chevrolet K20 Suburban Custom
1982 Chevrolet K20 Suburban Scottsdale
1982-1983 Chevrolet K20 Suburban Silverado
1975 Chevrolet K5 Blazer Custom Deluxe
1975-1980 Chevrolet K5 Blazer Cheyenne
1976 Chevrolet K5 Blazer Base
1977-1980 Chevrolet K5 Blazer Custom Deluxe
1978 Chevrolet K5 Blazer Silverado
1980-1986 Chevrolet K5 Blazer Silverado
1981 Chevrolet K5 Blazer Deluxe
1981-1986 Chevrolet K5 Blazer Custom
1984 Chevrolet K5 Blazer Scottsdale
1987 Chevrolet V10 Suburban Custom Deluxe
1987 Chevrolet V10 Suburban Scottsdale
1987 Chevrolet V10 Suburban Silverado
1973-1986 GMC Jimmy Base
1975-1982 GMC Jimmy Sierra Grande
1975-1985 GMC Jimmy High Sierra
1975-1986 GMC Jimmy Sierra Classic
1976-1978 GMC K15 High Sierra
1976-1978 GMC K15 Sierra Classic
1976-1978 GMC K15 Sierra Grande
1976-1978 GMC K15 Base
1977 GMC K15 Indy Hauler
1976-1978 GMC K15 Suburban Sierra Grande
1976-1978 GMC K15 Suburban Base
1976-1978 GMC K15 Suburban High Sierra
1976-1978 GMC K15 Suburban Sierra Classic
1973-1974 GMC K15/K1500 Pickup Base
1973-1974 GMC K15/K1500 Suburban Base
1979-1982 GMC K1500 Sierra Grande

…and 26 additional fitments. Contact us to confirm yours.

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