Bell RS7 Ultra Duckbill Helmet WIX42846 1975-1980 Chevrolet C20 Scottsdale CID

1975-1980 Chevrolet C20 Scottsdale CID 454 Naturally Aspirated GAS

4' helmet hose connects to most helmet fresh air intakes with standard 1-1/4" connector

1/2" NPT inlet/outlet ports

1972-1973 Lincoln Mark IV

Bell RS7 Ultra Duckbill Helmet WIX42846 1975-1980 Chevrolet C20 Scottsdale CIDBased on the innovative HP7 design and featuring an ultra lightweight carbon shell, the RS7 Ultra Duckbill provides racers with unmatched comfort, aerodynamic performance and energy absorbing capacities. The sleek, aerodynamic design features a front duckbill for aerodynamic performance, and an advanced ventilation system with 14 air intake and extraction channels for maximum airflow and ventilation, and comes equipped with a Double Screen Anti Fog