Hawk HB523S.539 Racing Pad - HT-10 Compound Racing Threaded-backing plate necessary for installation

Threaded-backing plate necessary for installation on all other helmets is NOT included

Also can be used to install the Recaro Hans Pro Racer Racing Seat

this system supports both cooling garments and helmet air delivery for flexible cockpit heat management

while the 4-mounting points provide a wide range of incline/decline options

racing seats

Hawk HB523S.539 Racing Pad - HT-10 Compound Racing Threaded-backing plate necessary for installationThe Hawk Performance HT 10 compound is a great pad for intermediate drivers that want a streetable pad that still offers superior performance. It has a very smooth initial bite and provides a consistent pedal feel. The HT 10 delivers medium to high torque over a significant temperature range to help increase your track day performance.