DEI (Design Engineering Inc.) is a leading manufacturer of heat and sound control products for street rods, muscle cars, race vehicles, and custom builds. Their lineup includes thermal barriers, heat wraps, insulation materials, coatings, and hardware designed to protect components, reduce cabin heat, and improve overall performance and reliability.

All DEI products shown in our online store reflect what we actively stock. If you’re looking for a DEI part that isn’t listed, contact us anytime and we’ll be happy to provide pricing and availability.