Scorpion EXO EXO-R420 Techno Helmet 2009 Includes 18mm O2 bungs for

Includes 18mm O2 bungs for tuning

Cylinder heads on T-Series long block engines are '99 - '05 style

Surface-active esters and anti-wear additives combine to ensure anti-scuff protection

Headers sold separately

Scorpion EXO EXO-R420 Techno Helmet 2009 Includes 18mm O2 bungs forEXO R420 FULL FACE HELMET TECHNO TITANIUM SM The EXO R420 helmet continues to set a new standard for Scorpion EXOs full face street helmets at a very competitive price point. An all new shell is more aerodynamic and smaller resulting in an ultra lightweight Snell approved helmet. The ventilation system uses a large top vent and mouth vents engineered to allow more airflow to the riders head while maintaining low noise levels. The EXO R420 now features