Simpson Racing SD1 Helmet - XXL - Matte BlackXXL - Matte Black - SA2020 Modified Fire Suppression System - Zero

Fire Suppression System - Zero 360 - Novec 1230 - 4 L Bottle - Fittings / Hose / Mount / Pull Cable - Kit

67 in Long - 12 Point Nuts - Stainless - Polished - Small Block Chevy - Set of 14

3 in W - Each

135 in Thick Wall - Chromoly - Set of 16

Check Valve - 10 AN Male Inlet - 10 AN Female O-Ring Outlet - Aluminum - Black Anodized - Each

Simpson Racing SD1 Helmet - XXL - Matte BlackXXL - Matte Black - SA2020 Modified Fire Suppression System - ZeroSimpson'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.