Flatline Barriers Floor Insulation Kit High Tunnel — Fits 1967-72 GM C/K 10-30

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SKU: HMTJ_TABT4004
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Sale price$188.95 Regular price$229.99
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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 Flatline Barriers

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

Watch in action

Floor Insulation for 1967-72 GM C/K 10-30 (High Tunnel)

Is your 1967-1972 GM C/K 10-30 truck suffering from heat radiating through the floor? The Flatline Barriers Floor Insulation Kit, specifically designed for high tunnel configurations, is the perfect solution. This kit provides a robust thermal and acoustic barrier for your truck's floorboard, effectively blocking heat from the transmission tunnel and reducing road noise. With precision pre-cut pieces, you can achieve a professional-grade installation that significantly enhances your interior comfort.

Performance Features

  • High Tunnel Design: Specifically shaped to fit the high transmission tunnel of 1967-1972 GM C/K 10-30 trucks.
  • Premium Materials: High-performance aluminum and foam construction for maximum heat reflection.
  • Vibration Reduction: Dampens road noise and floor vibrations for a smoother driving experience.
  • Durable and Long-Lasting: Designed to withstand the heavy-duty nature of classic truck use.

By addressing the floor and transmission tunnel, you eliminate a major source of heat and noise in your truck. This kit is an essential upgrade for any restoration project, ensuring that your cabin stays cool and quiet. The lightweight yet effective material won't interfere with your carpet or interior trim, making it a seamless addition to your build. Don't let heat and noise ruin your drive; upgrade your classic truck with the best materials available. Find all your restoration needs at GGCRACING.

Product Details

Product Description
Part Numbers
Sizing & Fit

About Flatline Barriers

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

Watch in action

Floor Insulation for 1967-72 GM C/K 10-30 (High Tunnel)

Is your 1967-1972 GM C/K 10-30 truck suffering from heat radiating through the floor? The Flatline Barriers Floor Insulation Kit, specifically designed for high tunnel configurations, is the perfect solution. This kit provides a robust thermal and acoustic barrier for your truck's floorboard, effectively blocking heat from the transmission tunnel and reducing road noise. With precision pre-cut pieces, you can achieve a professional-grade installation that significantly enhances your interior comfort.

Performance Features

  • High Tunnel Design: Specifically shaped to fit the high transmission tunnel of 1967-1972 GM C/K 10-30 trucks.
  • Premium Materials: High-performance aluminum and foam construction for maximum heat reflection.
  • Vibration Reduction: Dampens road noise and floor vibrations for a smoother driving experience.
  • Durable and Long-Lasting: Designed to withstand the heavy-duty nature of classic truck use.

By addressing the floor and transmission tunnel, you eliminate a major source of heat and noise in your truck. This kit is an essential upgrade for any restoration project, ensuring that your cabin stays cool and quiet. The lightweight yet effective material won't interfere with your carpet or interior trim, making it a seamless addition to your build. Don't let heat and noise ruin your drive; upgrade your classic truck with the best materials available. Find all your restoration needs at GGCRACING.

Product Details

Product Description

About Flatline Barriers

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

Watch in action

Floor Insulation for 1967-72 GM C/K 10-30 (High Tunnel)

Is your 1967-1972 GM C/K 10-30 truck suffering from heat radiating through the floor? The Flatline Barriers Floor Insulation Kit, specifically designed for high tunnel configurations, is the perfect solution. This kit provides a robust thermal and acoustic barrier for your truck's floorboard, effectively blocking heat from the transmission tunnel and reducing road noise. With precision pre-cut pieces, you can achieve a professional-grade installation that significantly enhances your interior comfort.

Performance Features

  • High Tunnel Design: Specifically shaped to fit the high transmission tunnel of 1967-1972 GM C/K 10-30 trucks.
  • Premium Materials: High-performance aluminum and foam construction for maximum heat reflection.
  • Vibration Reduction: Dampens road noise and floor vibrations for a smoother driving experience.
  • Durable and Long-Lasting: Designed to withstand the heavy-duty nature of classic truck use.

By addressing the floor and transmission tunnel, you eliminate a major source of heat and noise in your truck. This kit is an essential upgrade for any restoration project, ensuring that your cabin stays cool and quiet. The lightweight yet effective material won't interfere with your carpet or interior trim, making it a seamless addition to your build. Don't let heat and noise ruin your drive; upgrade your classic truck with the best materials available. Find all your restoration needs at GGCRACING.

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