Simpson Racing SD1 Helmet - M - Matte BlackMedium - Matte Black - SA2020 Bandolero 5 in ID - 8

5 in ID - 8 in Length - 600 lb/in Spring Rate - Steel - Blue Powder Coat - Each

Scoop Tray - 2 in Tall - 21-1/2 in Long - 13-3/8 in Wide - Flat - Aluminum - Natural - Square Bore Carburetor Flange - Each

42 ratio is expertly engineered to offer a balanced combination of acceleration and top-end speed

Graphics - Nose - Nite-Glo - Dominator SS - Kit

25 oz Aerosol - Each

Simpson Racing SD1 Helmet - M - Matte BlackMedium - Matte Black - SA2020 Bandolero 5 in ID - 8Simpson's, lightest and most aerodynamic helmet, the SD1 is a premium helmet at a reasonable price. The helmet is tailored towards open wheel dirt track racing with no front vents and a front chin spoiler.