Simpson Carbon-X Fire Resistant Racing Undershirt - SFI 3.3 Size:Medium Most Dual Clutch fluids are

Most Dual Clutch fluids are made from low cost Group III base stock -- this one is from Esters and PAO

Whether you’re stacking laps or pushing in serious competition

AIM TC (thermocouple) closed-tip EGT sensor connects to a K-style connector or patch cable

Required in NASCAR

Air only (no Cool Suit Shirt connections)

Simpson Carbon-X Fire Resistant Racing Undershirt - SFI 3.3 Size:Medium Most Dual Clutch fluids areWearing fire retardant underwear under your SFI rated suit increases the protection against fire. CarbonX offers excellent protection with amazing fire resistant characteristics, inherent moisture wicking properties, and comfort. It is inherently flame resistant, will not burn, melt, or ignite when subjected to direct flame. Black only.