DEI

DEI

Design Engineering, Inc.™ (DEI) are the foremost suppliers of sound management and thermal tuning products for performance racers, street performance enthusiasts, and hobbyists alike.

In addition to supplying the performance aftermarket with a range of thermal tuning products, Design Engineering caters to the needs of the marine, powersports, industrial and commercial industry markets the world over with great products such as the Boom Mat, Water Wetter and Reflective tape and shields.


Price Match Guarantee!
If you find any DEI product cheaper anywhere else, call us on 01727 827717 and we'll price match for you. 
Terms: Price matches may only be honored on identical items. We reserve the right to disallow any price match as we see fit.

Floor & Tunnel Shield
Constructed with an embossed 10 mil aluminium face bonded to 1/8 composite glass-fibre core and backed with a high temp super strong pressure sensitive backing, Floor & Tunnel Shield II withstand..
Constructed with an embossed 10 mil aluminium face bonded to 1/8 c...
£70.28 Ex Tax: £58.57
Heat Resistant Sealant 3oz Tube
Developed by Dow Corning for the extreme-duty aerospace applications, The DEI 3oz Tube of Heat Resistant Sealant bonds to almost all surfaces including fibreglass, metal, wood, rubber and plastic. ..
Developed by Dow Corning for the extreme-duty aerospace applicati...
£35.05 Ex Tax: £29.21
Heat Screen Aluminised. Radiant Matting 36" x 40"
Heat Screen can be used to protect areas where excessive heat can blister paint, where exhaust pipes run close to the fuel tank, and has many other applications including floorboards, body panels an..
Heat Screen can be used to protect areas where excessive heat can...
£144.12 Ex Tax: £120.10
Heat Sheath Aluminised Sleeving
DEI Heat Sheath - Aluminised Sleeving is designed to slide over wires, cables and hoses, Heat Sheath provides the ultimate protection from extreme heat as well as chemical and oil spills, dirt, gre..
DEI Heat Sheath - Aluminised Sleeving is designed to slide over ...
£22.48 Ex Tax: £18.73
Heat Sheath Gold Sleeving New!
DEI Heat Sheath - Gold Sleeving is designed to slide over wires, cables and hoses, Heat Sheath provides the ultimate protection from extreme heat as well as chemical and oil spills, dirt, grease an..
DEI Heat Sheath - Gold Sleeving is designed to slide over wires,...
£35.92 Ex Tax: £29.93
Heat Shroud Aluminised Sleeving With Velcro 1"x 36"
The 36" Heat Shroud from DEI is made from a high temperature rated glass fibre fabric with an aluminised outer facing. Same as Heat Sheath but with the added convenience of hook & loop closure ..
The 36" Heat Shroud from DEI is made from a high temperature rat...
£60.26 Ex Tax: £50.22
Heat Shroud Gold Sleeving With Velcro 1"x 36" New!
The 36" Heat Shroud from DEI is made from a high temperature rated glass fibre fabric with an Gold aluminised outer facing. Same as Heat Sheath but with the added convenience of hook & loop clo..
The 36" Heat Shroud from DEI is made from a high temperature rat...
£78.36 Ex Tax: £65.30
Heater Hotter
Accelerates transfer of heat from engine to heater Improves engine warm-up time by 50% Simply add to radiator Safe with all types of anti-freeze Helps reduce engine wear..
Accelerates transfer of heat from engine to heater Imp...
£15.52 Ex Tax: £12.93
Hi Temp Spray Adhesive 10 oz
DEI Hi-Temp Spray Adhesive from CAM Auto Developments Hi-Temp Spray Adhesive provides high strength adhesion and bonds a wide variety of materials, including trims, foams, fabrics and more. It ..
DEI Hi-Temp Spray Adhesive from CAM Auto Developments Hi-Temp Sp...
£29.70 Ex Tax: £24.75
Hi-Temp 3:1 Shrink Tubing
Hi-Temp Shrink Tubes can be used to insulate wires, wire splicing, connections and terminals and meets the material functional properties of Military Spec DTL-23053/5C. ..
Hi-Temp Shrink Tubes can be used to insulate wires, wire splicin...
£18.92 Ex Tax: £15.77
Hi-Temp Shrink Tube 12mm x 1.5"
The professional grade military spec flexible polyolefin hi-temp shinrk tubing measuring 12mm x 1.5" provides excellent protection from dirt, dust, solvents, and foreign materials as well as p..
The professional grade military spec flexible polyolefin hi-temp...
£28.15 Ex Tax: £23.46
Hi-Temp Shrink Tube 18mm x 1.5"
The professional grade military spec flexible polyolefin hi-temp shinrk tubing measuring 18mm x 1.5" provides excellent protection from dirt, dust, solvents, and foreign materials as well as provid..
The professional grade military spec flexible polyolefin hi-temp...
£28.15 Ex Tax: £23.46
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