Prothane GM Motor Mount Large Clamshell - Red — Fits 1979-1987 Chevrolet/GMC

SKU: PRO7-507
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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 GM Large Clamshell Motor Mounts - Red

Bolster the performance and longevity of your heavy-duty GM truck or SUV with Prothane's Large Clamshell Motor Mounts in a striking red finish. Engineered from high-density polyurethane, these mounts are designed to withstand the rigors of demanding applications, effectively controlling engine movement and reducing unwanted vibrations. This upgrade ensures a more solid connection between your powertrain and chassis, enhancing overall driving stability and control.

Key Features & Benefits:

  • Robust Polyurethane Construction: Made from Prothane's durable polyurethane material, offering superior resistance to heat, chemicals, and road debris compared to stock rubber.
  • Superior Vibration Damping: Significantly reduces engine vibration and drivetrain shock, leading to a more comfortable and controlled ride, especially under load.
  • Optimized Engine Support: Provides a firm and stable mount for larger GM engines, preventing excessive torque and movement during acceleration and braking.
  • Direct Fit Replacement: Designed to directly replace the factory large clamshell motor mounts on compatible Chevrolet and GMC trucks and SUVs.
  • Bold Red Aesthetics: The vibrant red color adds a custom and performance-oriented look to your engine bay.

Vehicle Fitment:

These Prothane motor mounts are suitable for a wide range of Chevrolet and GMC heavy-duty applications, including:

  • Chevrolet C20 Pickup (1985-1986)
  • Chevrolet C30 Pickup (1985-1986)
  • Chevrolet K20 Suburban (1985)
  • Chevrolet K30 Pickup (1981-1986)
  • Chevrolet R20 Suburban (1987)
  • Chevrolet V20 Suburban (1987)
  • GMC C2500 Pickup (1985-1986)
  • GMC C3500 Pickup (1979-1986)
  • GMC K2500 Pickup (1985-1986)
  • GMC K3500 Pickup (1985-1986)

Upgrade your truck's foundation with Prothane's reliable and high-performance motor mounts. Experience the difference in stability and durability. Find these essential parts and more at GGCRACING.

Vehicle Fitment

Years Make Model Trim
1988-1991 Chevrolet Blazer Scottsdale
1988-1994 Chevrolet Blazer Silverado
1992-1993 Chevrolet Blazer Cheyenne
1994 Chevrolet Blazer Base
1994 Chevrolet Blazer Silverado Sport
1988-1992 Chevrolet C1500 Scottsdale
1988-1998 Chevrolet C1500 Silverado
1988-1998 Chevrolet C1500 Cheyenne
1990-1998 Chevrolet C1500 WT
1994-1997 Chevrolet C1500 Base
1985-1986 Chevrolet C20 Custom
1985-1986 Chevrolet C20 Scottsdale
1985-1986 Chevrolet C20 Silverado
1988-1992 Chevrolet C2500 Scottsdale
1988-1998 Chevrolet C2500 Cheyenne
1988-1998 Chevrolet C2500 Silverado
1994-1995 Chevrolet C2500 WT
1994-1997 Chevrolet C2500 Base
1998 Chevrolet C2500 WT
1985-1986 Chevrolet C30 Silverado
1985-1986 Chevrolet C30 Custom
1985-1986 Chevrolet C30 Scottsdale
1988-1992 Chevrolet C3500 Scottsdale
1988-1998 Chevrolet C3500 Cheyenne
1988-1998 Chevrolet C3500 Silverado
1994-1997 Chevrolet C3500 Base
1988-1995 Chevrolet G30 Sportvan
1988-1996 Chevrolet G30 Beauville
1988-1996 Chevrolet G30 Chevy Van
1988-1996 Chevrolet G30 Hi-Cube
1988-1992 Chevrolet K1500 Scottsdale
1988-1998 Chevrolet K1500 Cheyenne
1988-1998 Chevrolet K1500 Silverado
1990-1998 Chevrolet K1500 WT
1991 Chevrolet K1500 Sport
1994-1997 Chevrolet K1500 Base
1992-1994 Chevrolet K1500 Suburban Silverado
1992-1998 Chevrolet K1500 Suburban Base
1995-1997 Chevrolet K1500 Suburban LT
1995-1998 Chevrolet K1500 Suburban LS
1980 Chevrolet K20 Custom Deluxe
1980 Chevrolet K20 Scottsdale
1980 Chevrolet K20 Silverado
1980 Chevrolet K20 Cheyenne
1985 Chevrolet K20 Suburban Custom
1985 Chevrolet K20 Suburban Scottsdale
1985 Chevrolet K20 Suburban Silverado
1988-1992 Chevrolet K2500 Scottsdale
1988-1998 Chevrolet K2500 Cheyenne
1988-1998 Chevrolet K2500 Silverado
1994-1995 Chevrolet K2500 WT
1994-1997 Chevrolet K2500 Base
1998 Chevrolet K2500 WT
1992-1994 Chevrolet K2500 Suburban Silverado
1992-1998 Chevrolet K2500 Suburban Base
1995-1997 Chevrolet K2500 Suburban LT
1995-1998 Chevrolet K2500 Suburban LS
1980 Chevrolet K30 Custom Deluxe
1980-1981 Chevrolet K30 Cheyenne
1980-1986 Chevrolet K30 Silverado

…and 92 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 GM Large Clamshell Motor Mounts - Red

Bolster the performance and longevity of your heavy-duty GM truck or SUV with Prothane's Large Clamshell Motor Mounts in a striking red finish. Engineered from high-density polyurethane, these mounts are designed to withstand the rigors of demanding applications, effectively controlling engine movement and reducing unwanted vibrations. This upgrade ensures a more solid connection between your powertrain and chassis, enhancing overall driving stability and control.

Key Features & Benefits:

  • Robust Polyurethane Construction: Made from Prothane's durable polyurethane material, offering superior resistance to heat, chemicals, and road debris compared to stock rubber.
  • Superior Vibration Damping: Significantly reduces engine vibration and drivetrain shock, leading to a more comfortable and controlled ride, especially under load.
  • Optimized Engine Support: Provides a firm and stable mount for larger GM engines, preventing excessive torque and movement during acceleration and braking.
  • Direct Fit Replacement: Designed to directly replace the factory large clamshell motor mounts on compatible Chevrolet and GMC trucks and SUVs.
  • Bold Red Aesthetics: The vibrant red color adds a custom and performance-oriented look to your engine bay.

Vehicle Fitment:

These Prothane motor mounts are suitable for a wide range of Chevrolet and GMC heavy-duty applications, including:

  • Chevrolet C20 Pickup (1985-1986)
  • Chevrolet C30 Pickup (1985-1986)
  • Chevrolet K20 Suburban (1985)
  • Chevrolet K30 Pickup (1981-1986)
  • Chevrolet R20 Suburban (1987)
  • Chevrolet V20 Suburban (1987)
  • GMC C2500 Pickup (1985-1986)
  • GMC C3500 Pickup (1979-1986)
  • GMC K2500 Pickup (1985-1986)
  • GMC K3500 Pickup (1985-1986)

Upgrade your truck's foundation with Prothane's reliable and high-performance motor mounts. Experience the difference in stability and durability. Find these essential parts and more at GGCRACING.

Vehicle Fitment

Years Make Model Trim
1988-1991 Chevrolet Blazer Scottsdale
1988-1994 Chevrolet Blazer Silverado
1992-1993 Chevrolet Blazer Cheyenne
1994 Chevrolet Blazer Base
1994 Chevrolet Blazer Silverado Sport
1988-1992 Chevrolet C1500 Scottsdale
1988-1998 Chevrolet C1500 Silverado
1988-1998 Chevrolet C1500 Cheyenne
1990-1998 Chevrolet C1500 WT
1994-1997 Chevrolet C1500 Base
1985-1986 Chevrolet C20 Custom
1985-1986 Chevrolet C20 Scottsdale
1985-1986 Chevrolet C20 Silverado
1988-1992 Chevrolet C2500 Scottsdale
1988-1998 Chevrolet C2500 Cheyenne
1988-1998 Chevrolet C2500 Silverado
1994-1995 Chevrolet C2500 WT
1994-1997 Chevrolet C2500 Base
1998 Chevrolet C2500 WT
1985-1986 Chevrolet C30 Silverado
1985-1986 Chevrolet C30 Custom
1985-1986 Chevrolet C30 Scottsdale
1988-1992 Chevrolet C3500 Scottsdale
1988-1998 Chevrolet C3500 Cheyenne
1988-1998 Chevrolet C3500 Silverado
1994-1997 Chevrolet C3500 Base
1988-1995 Chevrolet G30 Sportvan
1988-1996 Chevrolet G30 Beauville
1988-1996 Chevrolet G30 Chevy Van
1988-1996 Chevrolet G30 Hi-Cube
1988-1992 Chevrolet K1500 Scottsdale
1988-1998 Chevrolet K1500 Cheyenne
1988-1998 Chevrolet K1500 Silverado
1990-1998 Chevrolet K1500 WT
1991 Chevrolet K1500 Sport
1994-1997 Chevrolet K1500 Base
1992-1994 Chevrolet K1500 Suburban Silverado
1992-1998 Chevrolet K1500 Suburban Base
1995-1997 Chevrolet K1500 Suburban LT
1995-1998 Chevrolet K1500 Suburban LS
1980 Chevrolet K20 Custom Deluxe
1980 Chevrolet K20 Scottsdale
1980 Chevrolet K20 Silverado
1980 Chevrolet K20 Cheyenne
1985 Chevrolet K20 Suburban Custom
1985 Chevrolet K20 Suburban Scottsdale
1985 Chevrolet K20 Suburban Silverado
1988-1992 Chevrolet K2500 Scottsdale
1988-1998 Chevrolet K2500 Cheyenne
1988-1998 Chevrolet K2500 Silverado
1994-1995 Chevrolet K2500 WT
1994-1997 Chevrolet K2500 Base
1998 Chevrolet K2500 WT
1992-1994 Chevrolet K2500 Suburban Silverado
1992-1998 Chevrolet K2500 Suburban Base
1995-1997 Chevrolet K2500 Suburban LT
1995-1998 Chevrolet K2500 Suburban LS
1980 Chevrolet K30 Custom Deluxe
1980-1981 Chevrolet K30 Cheyenne
1980-1986 Chevrolet K30 Silverado

…and 92 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 GM Large Clamshell Motor Mounts - Red

Bolster the performance and longevity of your heavy-duty GM truck or SUV with Prothane's Large Clamshell Motor Mounts in a striking red finish. Engineered from high-density polyurethane, these mounts are designed to withstand the rigors of demanding applications, effectively controlling engine movement and reducing unwanted vibrations. This upgrade ensures a more solid connection between your powertrain and chassis, enhancing overall driving stability and control.

Key Features & Benefits:

  • Robust Polyurethane Construction: Made from Prothane's durable polyurethane material, offering superior resistance to heat, chemicals, and road debris compared to stock rubber.
  • Superior Vibration Damping: Significantly reduces engine vibration and drivetrain shock, leading to a more comfortable and controlled ride, especially under load.
  • Optimized Engine Support: Provides a firm and stable mount for larger GM engines, preventing excessive torque and movement during acceleration and braking.
  • Direct Fit Replacement: Designed to directly replace the factory large clamshell motor mounts on compatible Chevrolet and GMC trucks and SUVs.
  • Bold Red Aesthetics: The vibrant red color adds a custom and performance-oriented look to your engine bay.

Vehicle Fitment:

These Prothane motor mounts are suitable for a wide range of Chevrolet and GMC heavy-duty applications, including:

  • Chevrolet C20 Pickup (1985-1986)
  • Chevrolet C30 Pickup (1985-1986)
  • Chevrolet K20 Suburban (1985)
  • Chevrolet K30 Pickup (1981-1986)
  • Chevrolet R20 Suburban (1987)
  • Chevrolet V20 Suburban (1987)
  • GMC C2500 Pickup (1985-1986)
  • GMC C3500 Pickup (1979-1986)
  • GMC K2500 Pickup (1985-1986)
  • GMC K3500 Pickup (1985-1986)

Upgrade your truck's foundation with Prothane's reliable and high-performance motor mounts. Experience the difference in stability and durability. Find these essential parts and more at GGCRACING.

Vehicle Fitment

Years Make Model Trim
1988-1991 Chevrolet Blazer Scottsdale
1988-1994 Chevrolet Blazer Silverado
1992-1993 Chevrolet Blazer Cheyenne
1994 Chevrolet Blazer Base
1994 Chevrolet Blazer Silverado Sport
1988-1992 Chevrolet C1500 Scottsdale
1988-1998 Chevrolet C1500 Silverado
1988-1998 Chevrolet C1500 Cheyenne
1990-1998 Chevrolet C1500 WT
1994-1997 Chevrolet C1500 Base
1985-1986 Chevrolet C20 Custom
1985-1986 Chevrolet C20 Scottsdale
1985-1986 Chevrolet C20 Silverado
1988-1992 Chevrolet C2500 Scottsdale
1988-1998 Chevrolet C2500 Cheyenne
1988-1998 Chevrolet C2500 Silverado
1994-1995 Chevrolet C2500 WT
1994-1997 Chevrolet C2500 Base
1998 Chevrolet C2500 WT
1985-1986 Chevrolet C30 Silverado
1985-1986 Chevrolet C30 Custom
1985-1986 Chevrolet C30 Scottsdale
1988-1992 Chevrolet C3500 Scottsdale
1988-1998 Chevrolet C3500 Cheyenne
1988-1998 Chevrolet C3500 Silverado
1994-1997 Chevrolet C3500 Base
1988-1995 Chevrolet G30 Sportvan
1988-1996 Chevrolet G30 Beauville
1988-1996 Chevrolet G30 Chevy Van
1988-1996 Chevrolet G30 Hi-Cube
1988-1992 Chevrolet K1500 Scottsdale
1988-1998 Chevrolet K1500 Cheyenne
1988-1998 Chevrolet K1500 Silverado
1990-1998 Chevrolet K1500 WT
1991 Chevrolet K1500 Sport
1994-1997 Chevrolet K1500 Base
1992-1994 Chevrolet K1500 Suburban Silverado
1992-1998 Chevrolet K1500 Suburban Base
1995-1997 Chevrolet K1500 Suburban LT
1995-1998 Chevrolet K1500 Suburban LS
1980 Chevrolet K20 Custom Deluxe
1980 Chevrolet K20 Scottsdale
1980 Chevrolet K20 Silverado
1980 Chevrolet K20 Cheyenne
1985 Chevrolet K20 Suburban Custom
1985 Chevrolet K20 Suburban Scottsdale
1985 Chevrolet K20 Suburban Silverado
1988-1992 Chevrolet K2500 Scottsdale
1988-1998 Chevrolet K2500 Cheyenne
1988-1998 Chevrolet K2500 Silverado
1994-1995 Chevrolet K2500 WT
1994-1997 Chevrolet K2500 Base
1998 Chevrolet K2500 WT
1992-1994 Chevrolet K2500 Suburban Silverado
1992-1998 Chevrolet K2500 Suburban Base
1995-1997 Chevrolet K2500 Suburban LT
1995-1998 Chevrolet K2500 Suburban LS
1980 Chevrolet K30 Custom Deluxe
1980-1981 Chevrolet K30 Cheyenne
1980-1986 Chevrolet K30 Silverado

…and 92 additional fitments. Contact us to confirm yours.

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