ST5 GT Carbon Racing Helmet - SA2020 300ZX Three hanger rods

Three hanger rods

the Boundary Oil Pump Gears are made from billet 4140 with a yield strength 18x stronger than OEM sintered steel

includes Titanium flanges

and the integrated O2 sensor ports maintain compatibility with your vehicle's sensors

Shoulders Adjust from 10" to 73"

ST5 GT Carbon Racing Helmet - SA2020 300ZX Three hanger rodsStilo has two separate shell sizes for this helmet. This allows us to make a better fitting helmet that is lighter weight. Instead of filling a very large shell with lots of padding for a size small, we have one shell size for x small to medium, and one for large and x large. Snell SA2015 vs. 2020 what's changed? The Snell SA2020 testing requirements have changed a small amount and have now become more in line with the FIA 8859 Helmet Standard.