Scorpion EXO EXO-R420 Techno HelmetEXO R420 FULL FACE HELMET TECHNO PHANTOM 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

Durable construction

Designed to fit all HD models with forward controls

Advanced: moves peak torque and power to lower rpm

Machined to make it easy to install an oil cooler in the pressure-side of the system

Quickee Pushrod Kit with Gloss Black Covers - M8

482" lift and 240° duration intake and 234° duration exhaust

Replaceable shoes fit S&S tensioners only

use a glove when checking oil level

Cam Chest with Plate Kit - 510C - Standard Cams - Twin Cam

Camchest - Race Series® - Reaper 538 - Twin Cooled - M8

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Increased pre-load range allows the tuning for various riding styles and weights