DEI Heat Sheath GOLD (010916)

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Heat Sheath GOLD by Design Engineering Inc.

After two years of development that included the harsh environments of the Trans-Am automotive race series, Design Engineering is proud to introduce their new "Reflect-A-GOLD" line heat sheath.

Manufactured from high temperature Metalized Polyimide lamination, bonded to a robust 20oz heat treated glass fiber base material, the DEI line of Gold sleeving will protect and keep components cool in the most demanding applications. Able to reflect direct heat up to 800deg F makes DEI Gold line sleeving the perfect choice to keep critical lines, air intakes and hoses cool and protected.


  • 20oz. Heat Treated Base Glass
  • Lock Weave Pattern
  • Metalized Polyimide Lamination
  • Easy to Cut or Trim to Size
  • 67% Reflection of Heat During Heat Flux Testing
  • Tested to FSTM 191.5100 and ASTM D1117 Standards


  • Universal

Heat Resistance

  • Radiant Heat Resistance - 1100deg F
  • Direct Heat Resistance - 800deg F
  • Proven Heat Reflection - 67%

What's In The Box?

  • 1 - Heat Sheath GOLD



DEI Manufacturer's Warranty

Customer Reviews

Based on 1 review
3/4" x 36" DEI Heat Sheath

Works great! Got it covering a coolant hose that runs close to the exhaust manifold. Previously that hose melted and coolant leaked out. Now with this sheath and a new hose ran, its protected and showing no signs of wear! Great product!