Hawk HB104E.485 Racing Pad - Blue Compound Rating_SFI 16.1 The shoulders of the GF-525

The shoulders of the GF-525 come accented with straight

Eliminates background noise for crystal clear communication

the front side vent will need to be blocked off to allow proper air circulation within the helmet

Note: These adapters will only fit the early 911s where the seat rails were situated off the sides of the seat bay

Hawk HB104E.485 Racing Pad - Blue Compound Rating_SFI 16.1 The shoulders of the GF-525The Hawk Performance Blue 9012 Racing compound exhibits medium to high temperature and torque control. It is a great multi purpose pad and is especially useful for lighter weight cars. With excellent modulation and release characteristics, it is no wonder this compound is a best seller with the SCCA!