Includes helmet texture, extract to your Assetto Corsa install folder.
Comes with 4k skin as standard. To change from 4k to 2k, rename Skin00.dds to Skin00_4k.dds and Skin00_2k.dss to Skin00.dds.
Get the Formula 79 and other RSS cars here:
#31 Hector Rebaque skin for RSS Formula 79 1.1
Team Rebaque's official livery for 1979 season