Stilo SA2020 ST5 FN Racing Helmet Carbon Fiber - XXXL - DOT/SNELL 2016-2018 2.8l lwn duramax Performance: +30 HP & +30

Performance: +30 HP & +30 TQ

100% Stock Appearing

Secondary Venturii Size: 1

Extra thick sidewalls

Does not increase exhaust temperatures & increases fuel mileage

Stilo SA2020 ST5 FN Racing Helmet Carbon Fiber - XXXL - DOT/SNELL 2016-2018 2.8l lwn duramax Performance: +30 HP & +30Stilo 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.