Prothane 71-87 GM K10-30 4WD Front Spring Bushings - Red — Fits 1971-1987 GM 4WD Trucks

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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 Prothane

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

Prothane Red Front Spring Bushings for 1971-1987 GM 4WD Trucks

Optimize the front suspension of your 4WD Chevrolet or GMC pickup, K-Blazer, or Jimmy with this Prothane Front Spring Bushing Kit. Specifically designed for 1971 through 1987 GM K-series trucks (K10, K20, K30), these red bushings are manufactured from Prothane's premium polyurethane compound. They offer a significant upgrade over stock rubber bushings, providing increased durability, improved handling characteristics, and a more responsive feel to your front suspension.

Key Features and Advantages:

  • Robust Polyurethane Construction: Made from high-density, abrasion-resistant polyurethane that resists tearing, cracking, and degradation from road contaminants and temperature changes.
  • Enhanced Front-End Stability: These bushings help to firm up the front suspension, reducing unwanted flex and improving steering precision for a more confident driving experience.
  • Direct Fit for 4WD Models: Engineered for precise fitment on the front springs of 1971-1987 GM 4WD trucks, ensuring proper installation and function.
  • Increased Longevity: Polyurethane offers a much longer service life compared to original rubber, reducing the need for frequent replacements.
  • Performance Red Hue: The vibrant red color adds a performance-oriented visual upgrade to your truck's suspension components.

Whether you're performing a routine suspension refresh, building a lifted off-road rig, or simply seeking to improve the on-road manners of your classic GM 4WD truck, these Prothane bushings are an excellent choice. They contribute to better alignment retention and overall suspension performance. Equip your truck with the best – get your Prothane Front Spring Bushings from GGCRACING.

Vehicle Fitment

Years Make Model Trim
1971-1974 Chevrolet Blazer Base
1987 Chevrolet Blazer Custom Deluxe
1987 Chevrolet Blazer Silverado
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
1971-1974 Chevrolet K10 Pickup Base
1971-1974 Chevrolet K10 Suburban Base
1975-1977 Chevrolet K10 Suburban Silverado
1975-1980 Chevrolet K10 Suburban Custom Deluxe
1975-1980 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
1975-1980 Chevrolet K20 Custom Deluxe
1975-1981 Chevrolet K20 Cheyenne
1975-1983 Chevrolet K20 Silverado
1975-1986 Chevrolet K20 Scottsdale
1981 Chevrolet K20 Deluxe
1981-1986 Chevrolet K20 Custom
1985-1986 Chevrolet K20 Silverado
1971-1974 Chevrolet K20 Pickup Base
1977-1980 Chevrolet K30 Custom Deluxe
1977-1981 Chevrolet K30 Cheyenne
1977-1986 Chevrolet K30 Scottsdale
1977-1986 Chevrolet K30 Silverado
1981 Chevrolet K30 Deluxe
1981-1986 Chevrolet K30 Custom
1971-1974 Chevrolet K30 Pickup Base
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 Custom Deluxe
1987 Chevrolet V10 Scottsdale
1987 Chevrolet V10 Silverado
1987 Chevrolet V10 Suburban Custom Deluxe
1987 Chevrolet V10 Suburban Scottsdale
1987 Chevrolet V10 Suburban Silverado
1987 Chevrolet V20 Custom Deluxe
1987 Chevrolet V20 Scottsdale
1987 Chevrolet V20 Silverado
1987 Chevrolet V30 Custom Deluxe
1987 Chevrolet V30 Scottsdale
1987 Chevrolet V30 Silverado
1971-1987 GMC Jimmy Base
1975-1982 GMC Jimmy Sierra Grande
1975-1985 GMC Jimmy High Sierra

…and 50 additional fitments. Contact us to confirm yours.

Product Details

Product Description
Part Numbers
Sizing & Fit

About Prothane

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

Prothane Red Front Spring Bushings for 1971-1987 GM 4WD Trucks

Optimize the front suspension of your 4WD Chevrolet or GMC pickup, K-Blazer, or Jimmy with this Prothane Front Spring Bushing Kit. Specifically designed for 1971 through 1987 GM K-series trucks (K10, K20, K30), these red bushings are manufactured from Prothane's premium polyurethane compound. They offer a significant upgrade over stock rubber bushings, providing increased durability, improved handling characteristics, and a more responsive feel to your front suspension.

Key Features and Advantages:

  • Robust Polyurethane Construction: Made from high-density, abrasion-resistant polyurethane that resists tearing, cracking, and degradation from road contaminants and temperature changes.
  • Enhanced Front-End Stability: These bushings help to firm up the front suspension, reducing unwanted flex and improving steering precision for a more confident driving experience.
  • Direct Fit for 4WD Models: Engineered for precise fitment on the front springs of 1971-1987 GM 4WD trucks, ensuring proper installation and function.
  • Increased Longevity: Polyurethane offers a much longer service life compared to original rubber, reducing the need for frequent replacements.
  • Performance Red Hue: The vibrant red color adds a performance-oriented visual upgrade to your truck's suspension components.

Whether you're performing a routine suspension refresh, building a lifted off-road rig, or simply seeking to improve the on-road manners of your classic GM 4WD truck, these Prothane bushings are an excellent choice. They contribute to better alignment retention and overall suspension performance. Equip your truck with the best – get your Prothane Front Spring Bushings from GGCRACING.

Vehicle Fitment

Years Make Model Trim
1971-1974 Chevrolet Blazer Base
1987 Chevrolet Blazer Custom Deluxe
1987 Chevrolet Blazer Silverado
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
1971-1974 Chevrolet K10 Pickup Base
1971-1974 Chevrolet K10 Suburban Base
1975-1977 Chevrolet K10 Suburban Silverado
1975-1980 Chevrolet K10 Suburban Custom Deluxe
1975-1980 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
1975-1980 Chevrolet K20 Custom Deluxe
1975-1981 Chevrolet K20 Cheyenne
1975-1983 Chevrolet K20 Silverado
1975-1986 Chevrolet K20 Scottsdale
1981 Chevrolet K20 Deluxe
1981-1986 Chevrolet K20 Custom
1985-1986 Chevrolet K20 Silverado
1971-1974 Chevrolet K20 Pickup Base
1977-1980 Chevrolet K30 Custom Deluxe
1977-1981 Chevrolet K30 Cheyenne
1977-1986 Chevrolet K30 Scottsdale
1977-1986 Chevrolet K30 Silverado
1981 Chevrolet K30 Deluxe
1981-1986 Chevrolet K30 Custom
1971-1974 Chevrolet K30 Pickup Base
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 Custom Deluxe
1987 Chevrolet V10 Scottsdale
1987 Chevrolet V10 Silverado
1987 Chevrolet V10 Suburban Custom Deluxe
1987 Chevrolet V10 Suburban Scottsdale
1987 Chevrolet V10 Suburban Silverado
1987 Chevrolet V20 Custom Deluxe
1987 Chevrolet V20 Scottsdale
1987 Chevrolet V20 Silverado
1987 Chevrolet V30 Custom Deluxe
1987 Chevrolet V30 Scottsdale
1987 Chevrolet V30 Silverado
1971-1987 GMC Jimmy Base
1975-1982 GMC Jimmy Sierra Grande
1975-1985 GMC Jimmy High Sierra

…and 50 additional fitments. Contact us to confirm yours.

Product Details

Product Description

About Prothane

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

Prothane Red Front Spring Bushings for 1971-1987 GM 4WD Trucks

Optimize the front suspension of your 4WD Chevrolet or GMC pickup, K-Blazer, or Jimmy with this Prothane Front Spring Bushing Kit. Specifically designed for 1971 through 1987 GM K-series trucks (K10, K20, K30), these red bushings are manufactured from Prothane's premium polyurethane compound. They offer a significant upgrade over stock rubber bushings, providing increased durability, improved handling characteristics, and a more responsive feel to your front suspension.

Key Features and Advantages:

  • Robust Polyurethane Construction: Made from high-density, abrasion-resistant polyurethane that resists tearing, cracking, and degradation from road contaminants and temperature changes.
  • Enhanced Front-End Stability: These bushings help to firm up the front suspension, reducing unwanted flex and improving steering precision for a more confident driving experience.
  • Direct Fit for 4WD Models: Engineered for precise fitment on the front springs of 1971-1987 GM 4WD trucks, ensuring proper installation and function.
  • Increased Longevity: Polyurethane offers a much longer service life compared to original rubber, reducing the need for frequent replacements.
  • Performance Red Hue: The vibrant red color adds a performance-oriented visual upgrade to your truck's suspension components.

Whether you're performing a routine suspension refresh, building a lifted off-road rig, or simply seeking to improve the on-road manners of your classic GM 4WD truck, these Prothane bushings are an excellent choice. They contribute to better alignment retention and overall suspension performance. Equip your truck with the best – get your Prothane Front Spring Bushings from GGCRACING.

Vehicle Fitment

Years Make Model Trim
1971-1974 Chevrolet Blazer Base
1987 Chevrolet Blazer Custom Deluxe
1987 Chevrolet Blazer Silverado
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
1971-1974 Chevrolet K10 Pickup Base
1971-1974 Chevrolet K10 Suburban Base
1975-1977 Chevrolet K10 Suburban Silverado
1975-1980 Chevrolet K10 Suburban Custom Deluxe
1975-1980 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
1975-1980 Chevrolet K20 Custom Deluxe
1975-1981 Chevrolet K20 Cheyenne
1975-1983 Chevrolet K20 Silverado
1975-1986 Chevrolet K20 Scottsdale
1981 Chevrolet K20 Deluxe
1981-1986 Chevrolet K20 Custom
1985-1986 Chevrolet K20 Silverado
1971-1974 Chevrolet K20 Pickup Base
1977-1980 Chevrolet K30 Custom Deluxe
1977-1981 Chevrolet K30 Cheyenne
1977-1986 Chevrolet K30 Scottsdale
1977-1986 Chevrolet K30 Silverado
1981 Chevrolet K30 Deluxe
1981-1986 Chevrolet K30 Custom
1971-1974 Chevrolet K30 Pickup Base
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 Custom Deluxe
1987 Chevrolet V10 Scottsdale
1987 Chevrolet V10 Silverado
1987 Chevrolet V10 Suburban Custom Deluxe
1987 Chevrolet V10 Suburban Scottsdale
1987 Chevrolet V10 Suburban Silverado
1987 Chevrolet V20 Custom Deluxe
1987 Chevrolet V20 Scottsdale
1987 Chevrolet V20 Silverado
1987 Chevrolet V30 Custom Deluxe
1987 Chevrolet V30 Scottsdale
1987 Chevrolet V30 Silverado
1971-1987 GMC Jimmy Base
1975-1982 GMC Jimmy Sierra Grande
1975-1985 GMC Jimmy High Sierra

…and 50 additional fitments. Contact us to confirm yours.

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