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Design Engineering Inc Undertank Insulation
  • Design Engineering Inc Undertank Insulation - Silver
  • Design Engineering Inc Undertank Insulation - Silver

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DEI Under Tank Insulation

Hot fuel robs you of precious horsepower. The Design Engineering, Inc. Undertank Insulation Kit can reduce fuel temperature by as much as 30%! This universal kit can be cut to shape and sticks to the underside of any tank for a simple and clean installation. 


  • Aluminum reflective foil backed with glass fiber is rated to withstand continuous temperatures of up to 400°F
  • Insulation features an adhesive backing for easy installation on any tank


  • 2 ft x 2 ft sheet of DEI Reflect-A-Cool
  • 1 1/2 in x 15 ft roll of DEI Reflect-A-Cool

Fitment Notes & Exceptions

This is a universal fit part; it may or may not fit without modification.

Product Style RevZilla Item # Manufacturer Product # Availability
Silver 1204419 902463 In Stock: Ships within 24 hours


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If your order arrives and it is not right, we will we'll fix it, NO NONSENSE, we promise.

Doesn't fit or just not happy with it? You can return any new, unused and unaltered item within 30 business days of delivery receipt of your item. We will issue a full refund to your original payment method.

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