Prothane Radiator Insulator Bushing Kit - Black — Fits 1968-1987 GM Big Block

SKU: PRO7-1712-BL
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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.

Watch in action

Prothane Radiator Insulator Bushing Kit - Black

Enhance the performance and comfort of your classic GM vehicle with the Prothane Radiator Insulator Bushing Kit in black. Designed specifically for 1968-1987 GM models equipped with big block engines, this kit provides superior vibration dampening and insulation for your radiator. Over time, original rubber bushings can degrade, leading to increased engine vibration felt in the cabin and potential damage to the radiator support. Prothane's high-performance polyurethane bushings are engineered to replace worn-out originals, offering a durable and long-lasting solution.

Key Features and Benefits:

  • Superior Vibration Dampening: Reduces the transfer of engine vibrations to the chassis, providing a smoother ride.
  • Durable Polyurethane Construction: Made from Prothane's renowned polyurethane material, offering excellent resistance to heat, chemicals, and abrasion.
  • Direct Fit Replacement: Designed to precisely fit 1968-1987 GM vehicles with big block engines, ensuring a straightforward installation.
  • Protects Radiator Support: Helps prevent stress and damage to the radiator mounting points caused by excessive movement.
  • Black Color: Offers a clean, understated look within the engine bay.

This kit includes all the necessary bushings to properly insulate your radiator. Installation is recommended for enthusiasts looking to maintain or improve the driving experience of their classic GM muscle car. Ensure optimal radiator support and a quieter ride with this essential upgrade from Prothane.

Get your Prothane Radiator Insulator Bushing Kit today and feel the difference!

Vehicle Fitment

Years Make Model Trim
1970-1975 Chevrolet Bel Air Base
1970-1972 Chevrolet Biscayne Base
1975-1980 Chevrolet C10 Cheyenne
1975-1980 Chevrolet C10 Custom Deluxe
1975-1980 Chevrolet C10 Scottsdale
1975-1980 Chevrolet C10 Silverado
1978-1980 Chevrolet C10 Big Ten
1973-1974 Chevrolet C10 Pickup Base
1975-1980 Chevrolet C20 Custom Deluxe
1975-1981 Chevrolet C20 Cheyenne
1975-1986 Chevrolet C20 Scottsdale
1975-1986 Chevrolet C20 Silverado
1981 Chevrolet C20 Deluxe
1981-1986 Chevrolet C20 Custom
1973-1974 Chevrolet C20 Pickup Base
1975-1980 Chevrolet C30 Custom Deluxe
1975-1981 Chevrolet C30 Cheyenne
1975-1986 Chevrolet C30 Scottsdale
1975-1986 Chevrolet C30 Silverado
1981 Chevrolet C30 Deluxe
1981-1986 Chevrolet C30 Custom
1973-1974 Chevrolet C30 Pickup Base
1970-1971 Chevrolet Camaro SS
1971-1972 Chevrolet Camaro Base
1970-1972 Chevrolet Caprice Base
1973-1976 Chevrolet Caprice Classic
1975-1976 Chevrolet Caprice Classic Sport
1976 Chevrolet Caprice Classic Landau
1968 Chevrolet Chevelle 300
1968-1969 Chevrolet Chevelle 300 Deluxe
1968-1970 Chevrolet Chevelle SS
1968-1972 Chevrolet Chevelle Malibu
1970-1972 Chevrolet Chevelle Base
1973 Chevrolet Chevelle Deluxe
1968 Chevrolet Chevy II Nova
1968-1974 Chevrolet El Camino Custom
1968-1974 Chevrolet El Camino SS
1968-1975 Chevrolet El Camino Base
1970-1976 Chevrolet Impala Base
1975-1976 Chevrolet Impala Custom
1975-1976 Chevrolet Impala Sport
1976 Chevrolet Impala Custom Landau
1976 Chevrolet Impala S
1976 Chevrolet K10 Cheyenne
1976 Chevrolet K10 Custom Deluxe
1976 Chevrolet K10 Scottsdale
1976 Chevrolet K10 Silverado
1979-1980 Chevrolet K10 Cheyenne
1979-1980 Chevrolet K10 Custom Deluxe
1979-1980 Chevrolet K10 Scottsdale
1979-1980 Chevrolet K10 Silverado
1974 Chevrolet K10 Pickup Base
1976-1978 Chevrolet K20 Scottsdale
1976-1978 Chevrolet K20 Silverado
1976-1978 Chevrolet K20 Cheyenne
1976-1978 Chevrolet K20 Custom Deluxe
1980 Chevrolet K20 Scottsdale
1980 Chevrolet K20 Silverado
1980 Chevrolet K20 Cheyenne
1980 Chevrolet K20 Custom Deluxe

…and 101 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.

Watch in action

Prothane Radiator Insulator Bushing Kit - Black

Enhance the performance and comfort of your classic GM vehicle with the Prothane Radiator Insulator Bushing Kit in black. Designed specifically for 1968-1987 GM models equipped with big block engines, this kit provides superior vibration dampening and insulation for your radiator. Over time, original rubber bushings can degrade, leading to increased engine vibration felt in the cabin and potential damage to the radiator support. Prothane's high-performance polyurethane bushings are engineered to replace worn-out originals, offering a durable and long-lasting solution.

Key Features and Benefits:

  • Superior Vibration Dampening: Reduces the transfer of engine vibrations to the chassis, providing a smoother ride.
  • Durable Polyurethane Construction: Made from Prothane's renowned polyurethane material, offering excellent resistance to heat, chemicals, and abrasion.
  • Direct Fit Replacement: Designed to precisely fit 1968-1987 GM vehicles with big block engines, ensuring a straightforward installation.
  • Protects Radiator Support: Helps prevent stress and damage to the radiator mounting points caused by excessive movement.
  • Black Color: Offers a clean, understated look within the engine bay.

This kit includes all the necessary bushings to properly insulate your radiator. Installation is recommended for enthusiasts looking to maintain or improve the driving experience of their classic GM muscle car. Ensure optimal radiator support and a quieter ride with this essential upgrade from Prothane.

Get your Prothane Radiator Insulator Bushing Kit today and feel the difference!

Vehicle Fitment

Years Make Model Trim
1970-1975 Chevrolet Bel Air Base
1970-1972 Chevrolet Biscayne Base
1975-1980 Chevrolet C10 Cheyenne
1975-1980 Chevrolet C10 Custom Deluxe
1975-1980 Chevrolet C10 Scottsdale
1975-1980 Chevrolet C10 Silverado
1978-1980 Chevrolet C10 Big Ten
1973-1974 Chevrolet C10 Pickup Base
1975-1980 Chevrolet C20 Custom Deluxe
1975-1981 Chevrolet C20 Cheyenne
1975-1986 Chevrolet C20 Scottsdale
1975-1986 Chevrolet C20 Silverado
1981 Chevrolet C20 Deluxe
1981-1986 Chevrolet C20 Custom
1973-1974 Chevrolet C20 Pickup Base
1975-1980 Chevrolet C30 Custom Deluxe
1975-1981 Chevrolet C30 Cheyenne
1975-1986 Chevrolet C30 Scottsdale
1975-1986 Chevrolet C30 Silverado
1981 Chevrolet C30 Deluxe
1981-1986 Chevrolet C30 Custom
1973-1974 Chevrolet C30 Pickup Base
1970-1971 Chevrolet Camaro SS
1971-1972 Chevrolet Camaro Base
1970-1972 Chevrolet Caprice Base
1973-1976 Chevrolet Caprice Classic
1975-1976 Chevrolet Caprice Classic Sport
1976 Chevrolet Caprice Classic Landau
1968 Chevrolet Chevelle 300
1968-1969 Chevrolet Chevelle 300 Deluxe
1968-1970 Chevrolet Chevelle SS
1968-1972 Chevrolet Chevelle Malibu
1970-1972 Chevrolet Chevelle Base
1973 Chevrolet Chevelle Deluxe
1968 Chevrolet Chevy II Nova
1968-1974 Chevrolet El Camino Custom
1968-1974 Chevrolet El Camino SS
1968-1975 Chevrolet El Camino Base
1970-1976 Chevrolet Impala Base
1975-1976 Chevrolet Impala Custom
1975-1976 Chevrolet Impala Sport
1976 Chevrolet Impala Custom Landau
1976 Chevrolet Impala S
1976 Chevrolet K10 Cheyenne
1976 Chevrolet K10 Custom Deluxe
1976 Chevrolet K10 Scottsdale
1976 Chevrolet K10 Silverado
1979-1980 Chevrolet K10 Cheyenne
1979-1980 Chevrolet K10 Custom Deluxe
1979-1980 Chevrolet K10 Scottsdale
1979-1980 Chevrolet K10 Silverado
1974 Chevrolet K10 Pickup Base
1976-1978 Chevrolet K20 Scottsdale
1976-1978 Chevrolet K20 Silverado
1976-1978 Chevrolet K20 Cheyenne
1976-1978 Chevrolet K20 Custom Deluxe
1980 Chevrolet K20 Scottsdale
1980 Chevrolet K20 Silverado
1980 Chevrolet K20 Cheyenne
1980 Chevrolet K20 Custom Deluxe

…and 101 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.

Watch in action

Prothane Radiator Insulator Bushing Kit - Black

Enhance the performance and comfort of your classic GM vehicle with the Prothane Radiator Insulator Bushing Kit in black. Designed specifically for 1968-1987 GM models equipped with big block engines, this kit provides superior vibration dampening and insulation for your radiator. Over time, original rubber bushings can degrade, leading to increased engine vibration felt in the cabin and potential damage to the radiator support. Prothane's high-performance polyurethane bushings are engineered to replace worn-out originals, offering a durable and long-lasting solution.

Key Features and Benefits:

  • Superior Vibration Dampening: Reduces the transfer of engine vibrations to the chassis, providing a smoother ride.
  • Durable Polyurethane Construction: Made from Prothane's renowned polyurethane material, offering excellent resistance to heat, chemicals, and abrasion.
  • Direct Fit Replacement: Designed to precisely fit 1968-1987 GM vehicles with big block engines, ensuring a straightforward installation.
  • Protects Radiator Support: Helps prevent stress and damage to the radiator mounting points caused by excessive movement.
  • Black Color: Offers a clean, understated look within the engine bay.

This kit includes all the necessary bushings to properly insulate your radiator. Installation is recommended for enthusiasts looking to maintain or improve the driving experience of their classic GM muscle car. Ensure optimal radiator support and a quieter ride with this essential upgrade from Prothane.

Get your Prothane Radiator Insulator Bushing Kit today and feel the difference!

Vehicle Fitment

Years Make Model Trim
1970-1975 Chevrolet Bel Air Base
1970-1972 Chevrolet Biscayne Base
1975-1980 Chevrolet C10 Cheyenne
1975-1980 Chevrolet C10 Custom Deluxe
1975-1980 Chevrolet C10 Scottsdale
1975-1980 Chevrolet C10 Silverado
1978-1980 Chevrolet C10 Big Ten
1973-1974 Chevrolet C10 Pickup Base
1975-1980 Chevrolet C20 Custom Deluxe
1975-1981 Chevrolet C20 Cheyenne
1975-1986 Chevrolet C20 Scottsdale
1975-1986 Chevrolet C20 Silverado
1981 Chevrolet C20 Deluxe
1981-1986 Chevrolet C20 Custom
1973-1974 Chevrolet C20 Pickup Base
1975-1980 Chevrolet C30 Custom Deluxe
1975-1981 Chevrolet C30 Cheyenne
1975-1986 Chevrolet C30 Scottsdale
1975-1986 Chevrolet C30 Silverado
1981 Chevrolet C30 Deluxe
1981-1986 Chevrolet C30 Custom
1973-1974 Chevrolet C30 Pickup Base
1970-1971 Chevrolet Camaro SS
1971-1972 Chevrolet Camaro Base
1970-1972 Chevrolet Caprice Base
1973-1976 Chevrolet Caprice Classic
1975-1976 Chevrolet Caprice Classic Sport
1976 Chevrolet Caprice Classic Landau
1968 Chevrolet Chevelle 300
1968-1969 Chevrolet Chevelle 300 Deluxe
1968-1970 Chevrolet Chevelle SS
1968-1972 Chevrolet Chevelle Malibu
1970-1972 Chevrolet Chevelle Base
1973 Chevrolet Chevelle Deluxe
1968 Chevrolet Chevy II Nova
1968-1974 Chevrolet El Camino Custom
1968-1974 Chevrolet El Camino SS
1968-1975 Chevrolet El Camino Base
1970-1976 Chevrolet Impala Base
1975-1976 Chevrolet Impala Custom
1975-1976 Chevrolet Impala Sport
1976 Chevrolet Impala Custom Landau
1976 Chevrolet Impala S
1976 Chevrolet K10 Cheyenne
1976 Chevrolet K10 Custom Deluxe
1976 Chevrolet K10 Scottsdale
1976 Chevrolet K10 Silverado
1979-1980 Chevrolet K10 Cheyenne
1979-1980 Chevrolet K10 Custom Deluxe
1979-1980 Chevrolet K10 Scottsdale
1979-1980 Chevrolet K10 Silverado
1974 Chevrolet K10 Pickup Base
1976-1978 Chevrolet K20 Scottsdale
1976-1978 Chevrolet K20 Silverado
1976-1978 Chevrolet K20 Cheyenne
1976-1978 Chevrolet K20 Custom Deluxe
1980 Chevrolet K20 Scottsdale
1980 Chevrolet K20 Silverado
1980 Chevrolet K20 Cheyenne
1980 Chevrolet K20 Custom Deluxe

…and 101 additional fitments. Contact us to confirm yours.

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