Prothane 68-87 GM Small Block Radiator Isolators - Red — Fits 1968-1987 GM Small Block

SKU: PRO7-1711
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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 68-87 GM Small Block Radiator Isolators - Red

Ensure the longevity and stability of your GM vehicle's cooling system with the Prothane 68-87 GM Small Block Radiator Isolators in a striking red finish. These high-quality polyurethane isolators are specifically designed to cushion and support the radiator, effectively reducing stress and vibration caused by engine operation and road conditions.

Features and Advantages:

  • Durable Polyurethane: Constructed from Prothane's premium polyurethane, offering superior resistance to heat, chemicals, and physical wear compared to stock rubber.
  • Vibration Dampening: Effectively isolates the radiator from engine and chassis vibrations, preventing premature fatigue and potential cracking of the radiator core or tanks.
  • Stress Reduction: Minimizes stress on the radiator mounting points and core, extending the life of your cooling system components.
  • Custom Fitment: Engineered for 1968-1987 GM vehicles equipped with small block engines, ensuring a precise fit and easy installation.
  • Enhanced Durability: Polyurethane's resilience ensures these isolators maintain their shape and function under demanding conditions, outlasting traditional rubber mounts.
  • Performance Aesthetic: The vibrant red color adds a custom, performance-oriented look to your engine bay.

These Prothane radiator isolators are a crucial upgrade for any classic GM owner looking to protect their investment and maintain optimal cooling efficiency. By absorbing harmful vibrations, they help prevent costly radiator damage and ensure your engine stays cool under all driving conditions. Installation is straightforward, making it an ideal DIY upgrade.

For robust and reliable engine and suspension components, choose Prothane. Find the best parts for your build at GGCRACING.

Vehicle Fitment

Years Make Model Trim
1970-1975 Chevrolet Bel Air Base
1970-1972 Chevrolet Biscayne Base
1975-1980 Chevrolet C10 Custom Deluxe
1975-1981 Chevrolet C10 Cheyenne
1975-1986 Chevrolet C10 Scottsdale
1975-1986 Chevrolet C10 Silverado
1978-1980 Chevrolet C10 Big Ten
1981 Chevrolet C10 Deluxe
1981-1986 Chevrolet C10 Custom
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 RS
1970-1971 Chevrolet Camaro SS
1970-1974 Chevrolet Camaro Z28
1970-1980 Chevrolet Camaro Base
1973 Chevrolet Camaro LT
1973 Chevrolet Camaro RS
1975 Chevrolet Camaro RS
1975-1978 Chevrolet Camaro LT
1976-1978 Chevrolet Camaro LT Rally Sport
1976-1980 Chevrolet Camaro Rally Sport
1977-1981 Chevrolet Camaro Z28
1979-1981 Chevrolet Camaro Berlinetta
1981 Chevrolet Camaro Sport
1970-1972 Chevrolet Caprice Base
1973-1980 Chevrolet Caprice Classic
1975-1976 Chevrolet Caprice Classic Sport
1976-1980 Chevrolet Caprice Classic Landau
1978 Chevrolet Caprice Classic Estate
1979-1980 Chevrolet Caprice Classic Sport
1968 Chevrolet Chevelle 300
1968 Chevrolet Chevelle Base
1968-1969 Chevrolet Chevelle 300 Deluxe
1968-1972 Chevrolet Chevelle Malibu
1970-1972 Chevrolet Chevelle Base
1971 Chevrolet Chevelle SS
1968 Chevrolet Chevy II Nova
1968-1973 Chevrolet El Camino Base
1968-1973 Chevrolet El Camino Custom
1970-1973 Chevrolet El Camino SS
1970-1980 Chevrolet Impala Base
1975-1976 Chevrolet Impala Sport
1975-1977 Chevrolet Impala Custom
1976 Chevrolet Impala Custom Landau
1976 Chevrolet Impala S
1977-1979 Chevrolet Impala Landau
1979-1980 Chevrolet Impala Sport

…and 131 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 68-87 GM Small Block Radiator Isolators - Red

Ensure the longevity and stability of your GM vehicle's cooling system with the Prothane 68-87 GM Small Block Radiator Isolators in a striking red finish. These high-quality polyurethane isolators are specifically designed to cushion and support the radiator, effectively reducing stress and vibration caused by engine operation and road conditions.

Features and Advantages:

  • Durable Polyurethane: Constructed from Prothane's premium polyurethane, offering superior resistance to heat, chemicals, and physical wear compared to stock rubber.
  • Vibration Dampening: Effectively isolates the radiator from engine and chassis vibrations, preventing premature fatigue and potential cracking of the radiator core or tanks.
  • Stress Reduction: Minimizes stress on the radiator mounting points and core, extending the life of your cooling system components.
  • Custom Fitment: Engineered for 1968-1987 GM vehicles equipped with small block engines, ensuring a precise fit and easy installation.
  • Enhanced Durability: Polyurethane's resilience ensures these isolators maintain their shape and function under demanding conditions, outlasting traditional rubber mounts.
  • Performance Aesthetic: The vibrant red color adds a custom, performance-oriented look to your engine bay.

These Prothane radiator isolators are a crucial upgrade for any classic GM owner looking to protect their investment and maintain optimal cooling efficiency. By absorbing harmful vibrations, they help prevent costly radiator damage and ensure your engine stays cool under all driving conditions. Installation is straightforward, making it an ideal DIY upgrade.

For robust and reliable engine and suspension components, choose Prothane. Find the best parts for your build at GGCRACING.

Vehicle Fitment

Years Make Model Trim
1970-1975 Chevrolet Bel Air Base
1970-1972 Chevrolet Biscayne Base
1975-1980 Chevrolet C10 Custom Deluxe
1975-1981 Chevrolet C10 Cheyenne
1975-1986 Chevrolet C10 Scottsdale
1975-1986 Chevrolet C10 Silverado
1978-1980 Chevrolet C10 Big Ten
1981 Chevrolet C10 Deluxe
1981-1986 Chevrolet C10 Custom
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 RS
1970-1971 Chevrolet Camaro SS
1970-1974 Chevrolet Camaro Z28
1970-1980 Chevrolet Camaro Base
1973 Chevrolet Camaro LT
1973 Chevrolet Camaro RS
1975 Chevrolet Camaro RS
1975-1978 Chevrolet Camaro LT
1976-1978 Chevrolet Camaro LT Rally Sport
1976-1980 Chevrolet Camaro Rally Sport
1977-1981 Chevrolet Camaro Z28
1979-1981 Chevrolet Camaro Berlinetta
1981 Chevrolet Camaro Sport
1970-1972 Chevrolet Caprice Base
1973-1980 Chevrolet Caprice Classic
1975-1976 Chevrolet Caprice Classic Sport
1976-1980 Chevrolet Caprice Classic Landau
1978 Chevrolet Caprice Classic Estate
1979-1980 Chevrolet Caprice Classic Sport
1968 Chevrolet Chevelle 300
1968 Chevrolet Chevelle Base
1968-1969 Chevrolet Chevelle 300 Deluxe
1968-1972 Chevrolet Chevelle Malibu
1970-1972 Chevrolet Chevelle Base
1971 Chevrolet Chevelle SS
1968 Chevrolet Chevy II Nova
1968-1973 Chevrolet El Camino Base
1968-1973 Chevrolet El Camino Custom
1970-1973 Chevrolet El Camino SS
1970-1980 Chevrolet Impala Base
1975-1976 Chevrolet Impala Sport
1975-1977 Chevrolet Impala Custom
1976 Chevrolet Impala Custom Landau
1976 Chevrolet Impala S
1977-1979 Chevrolet Impala Landau
1979-1980 Chevrolet Impala Sport

…and 131 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 68-87 GM Small Block Radiator Isolators - Red

Ensure the longevity and stability of your GM vehicle's cooling system with the Prothane 68-87 GM Small Block Radiator Isolators in a striking red finish. These high-quality polyurethane isolators are specifically designed to cushion and support the radiator, effectively reducing stress and vibration caused by engine operation and road conditions.

Features and Advantages:

  • Durable Polyurethane: Constructed from Prothane's premium polyurethane, offering superior resistance to heat, chemicals, and physical wear compared to stock rubber.
  • Vibration Dampening: Effectively isolates the radiator from engine and chassis vibrations, preventing premature fatigue and potential cracking of the radiator core or tanks.
  • Stress Reduction: Minimizes stress on the radiator mounting points and core, extending the life of your cooling system components.
  • Custom Fitment: Engineered for 1968-1987 GM vehicles equipped with small block engines, ensuring a precise fit and easy installation.
  • Enhanced Durability: Polyurethane's resilience ensures these isolators maintain their shape and function under demanding conditions, outlasting traditional rubber mounts.
  • Performance Aesthetic: The vibrant red color adds a custom, performance-oriented look to your engine bay.

These Prothane radiator isolators are a crucial upgrade for any classic GM owner looking to protect their investment and maintain optimal cooling efficiency. By absorbing harmful vibrations, they help prevent costly radiator damage and ensure your engine stays cool under all driving conditions. Installation is straightforward, making it an ideal DIY upgrade.

For robust and reliable engine and suspension components, choose Prothane. Find the best parts for your build at GGCRACING.

Vehicle Fitment

Years Make Model Trim
1970-1975 Chevrolet Bel Air Base
1970-1972 Chevrolet Biscayne Base
1975-1980 Chevrolet C10 Custom Deluxe
1975-1981 Chevrolet C10 Cheyenne
1975-1986 Chevrolet C10 Scottsdale
1975-1986 Chevrolet C10 Silverado
1978-1980 Chevrolet C10 Big Ten
1981 Chevrolet C10 Deluxe
1981-1986 Chevrolet C10 Custom
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 RS
1970-1971 Chevrolet Camaro SS
1970-1974 Chevrolet Camaro Z28
1970-1980 Chevrolet Camaro Base
1973 Chevrolet Camaro LT
1973 Chevrolet Camaro RS
1975 Chevrolet Camaro RS
1975-1978 Chevrolet Camaro LT
1976-1978 Chevrolet Camaro LT Rally Sport
1976-1980 Chevrolet Camaro Rally Sport
1977-1981 Chevrolet Camaro Z28
1979-1981 Chevrolet Camaro Berlinetta
1981 Chevrolet Camaro Sport
1970-1972 Chevrolet Caprice Base
1973-1980 Chevrolet Caprice Classic
1975-1976 Chevrolet Caprice Classic Sport
1976-1980 Chevrolet Caprice Classic Landau
1978 Chevrolet Caprice Classic Estate
1979-1980 Chevrolet Caprice Classic Sport
1968 Chevrolet Chevelle 300
1968 Chevrolet Chevelle Base
1968-1969 Chevrolet Chevelle 300 Deluxe
1968-1972 Chevrolet Chevelle Malibu
1970-1972 Chevrolet Chevelle Base
1971 Chevrolet Chevelle SS
1968 Chevrolet Chevy II Nova
1968-1973 Chevrolet El Camino Base
1968-1973 Chevrolet El Camino Custom
1970-1973 Chevrolet El Camino SS
1970-1980 Chevrolet Impala Base
1975-1976 Chevrolet Impala Sport
1975-1977 Chevrolet Impala Custom
1976 Chevrolet Impala Custom Landau
1976 Chevrolet Impala S
1977-1979 Chevrolet Impala Landau
1979-1980 Chevrolet Impala Sport

…and 131 additional fitments. Contact us to confirm yours.

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