Fire Retardant Double Layer Balaclava Head Sock Black - SFI 3.3 Expansion Modules and machine the case so

and machine the case so your ecu is ready to go

The stylish

surpassing the useful life of the garment

Allows you to mount wideband O2 sensors pre-turbo and get accurate AFR readings

Fire Retardant Double Layer Balaclava Head Sock Black - SFI 3.3 Expansion Modules and machine the case soThis RaceQuip SFI 3. 3 rated double layer underwear hood, also known as a balaclava or head sock, is knitted from a blend of aramid and FRC fabrics to create a comfortable fire retardant garment. The unique fabric structure of this material results in a lightweight fabric that performs like Nomex but is much more cost effective. The Fire Retardant Cotton (FRC) component of the fabric promotes a soft and supple lightweight feel. Being hypoallergenic,