Simpson Racing SD1 Helmet - M - Safety OrangeMedium - Safety Orange - SA2020 Karting Fitting - Hose End -

Fitting - Hose End - Ano-Tuff - Swivel-Seal - 45 Degree - 10 AN Hose to 10 AN Female Swivel - Aluminum - Black Anodized - Each

Fitting - Hose End - Full Flow - 90 Degree - 6 AN Hose to 6 AN Female - Aluminum - Black Anodized - Each

Air Cleaner Assembly - Lightweight - 14 in Round - Requires Element - 5-1/8 in Carb Flange - Drop Base - 2 in Spacer - Aluminum - Black Paint - Kit

75 in Long - Hex Head - Steel - Natural - 11

Simpson Racing SD1 Helmet - M - Safety OrangeMedium - Safety Orange - SA2020 Karting 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.