Simpson Racing SD1 Helmet - XL BLUEExtra Large - Blue - SA2020 Late Model Fitting - Hose End -

Fitting - Hose End - 45 Degree - 16 AN Hose to 16 AN Female Swivel - Aluminum - Black Anodized - Each

Carburetor - Equalizer - Model 4150 - 4-Barrel - 750 CFM - Square Bore - No Choke - Mechanical Secondary - Dual Inlet - Aluminum - Black Powder Coat / Red Anodized - Gas - 604 Crate Engine - Each

Nitrous Oxide Bottle Holder - 6 Bottle Capacity - Floor / Wall Mount - 44

75 in Long - 5/16 in Hex Head - Steel - Set of 12

Simpson Racing SD1 Helmet - XL BLUEExtra Large - Blue - SA2020 Late Model Fitting - Hose End -Simpson'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.