DEI Floor and Tunnel Shield II 42in x 4ft Heat Barrier — Universal

SKU: DEI50503
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Sale price$234.99
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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 DEI

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

Maximum Coverage for Thermal Control

For large-scale projects requiring extensive heat management, the DEI Floor and Tunnel Shield II in the 42-inch by 4-foot format provides 14 square feet of premium thermal protection. This is the ultimate choice for full-floor insulation, large firewalls, and custom fabrication projects where heat soak is a major concern.

Engineered for Performance

  • Maximum Thermal Barrier: Embossed 10-mil aluminum face reflects radiant heat, protecting sensitive components.
  • 14 Square Feet: Large coverage area is perfect for complete interior floor coverage or large engine bay sections.
  • Composite Core: 1/8-inch composite glass-fiber core offers excellent insulation against heat transfer.
  • Multi-Functional: Effectively blocks heat while providing added sound-deadening benefits.
  • Rugged Durability: Resists road debris and extreme temperatures, ensuring long-lasting performance on the track or street.

By utilizing this high-performance shield, you can significantly lower interior cabin temperatures and protect critical wiring and electronics from heat-related failure. Its high-tack adhesive backing allows for a secure, permanent installation on almost any clean surface. Whether you are building a dedicated race car or a custom street machine, this shield provides the peace of mind that your vehicle is protected from the elements. Trust GGCRACING for your advanced thermal management needs.

Product Details

Product Description
Part Numbers
Sizing & Fit

About DEI

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

Maximum Coverage for Thermal Control

For large-scale projects requiring extensive heat management, the DEI Floor and Tunnel Shield II in the 42-inch by 4-foot format provides 14 square feet of premium thermal protection. This is the ultimate choice for full-floor insulation, large firewalls, and custom fabrication projects where heat soak is a major concern.

Engineered for Performance

  • Maximum Thermal Barrier: Embossed 10-mil aluminum face reflects radiant heat, protecting sensitive components.
  • 14 Square Feet: Large coverage area is perfect for complete interior floor coverage or large engine bay sections.
  • Composite Core: 1/8-inch composite glass-fiber core offers excellent insulation against heat transfer.
  • Multi-Functional: Effectively blocks heat while providing added sound-deadening benefits.
  • Rugged Durability: Resists road debris and extreme temperatures, ensuring long-lasting performance on the track or street.

By utilizing this high-performance shield, you can significantly lower interior cabin temperatures and protect critical wiring and electronics from heat-related failure. Its high-tack adhesive backing allows for a secure, permanent installation on almost any clean surface. Whether you are building a dedicated race car or a custom street machine, this shield provides the peace of mind that your vehicle is protected from the elements. Trust GGCRACING for your advanced thermal management needs.

Product Details

Product Description

About DEI

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

Maximum Coverage for Thermal Control

For large-scale projects requiring extensive heat management, the DEI Floor and Tunnel Shield II in the 42-inch by 4-foot format provides 14 square feet of premium thermal protection. This is the ultimate choice for full-floor insulation, large firewalls, and custom fabrication projects where heat soak is a major concern.

Engineered for Performance

  • Maximum Thermal Barrier: Embossed 10-mil aluminum face reflects radiant heat, protecting sensitive components.
  • 14 Square Feet: Large coverage area is perfect for complete interior floor coverage or large engine bay sections.
  • Composite Core: 1/8-inch composite glass-fiber core offers excellent insulation against heat transfer.
  • Multi-Functional: Effectively blocks heat while providing added sound-deadening benefits.
  • Rugged Durability: Resists road debris and extreme temperatures, ensuring long-lasting performance on the track or street.

By utilizing this high-performance shield, you can significantly lower interior cabin temperatures and protect critical wiring and electronics from heat-related failure. Its high-tack adhesive backing allows for a secure, permanent installation on almost any clean surface. Whether you are building a dedicated race car or a custom street machine, this shield provides the peace of mind that your vehicle is protected from the elements. Trust GGCRACING for your advanced thermal management needs.

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