After a busy time, here's the second helmet pack.
Only 2 different designs were used. The helmets replace the Gen helmets 17 to 24.
To install: Unzip the rar and choose the HD or SD version. Place the contents in your F1 2013 folder.
Thanks to ML
Supla helmet pack 2 HD&SD 1.0
Helmet pack no 2 in HD (4096) and SD (2048)