Simpson Racing SD1 Helmet - M - Safety OrangeMedium - Safety Orange - SA2020 Karting T-Nut - 5/8-18 in Thread

T-Nut - 5/8-18 in Thread - Steel - Black Oxide - Slider Trailing Arm Brackets - Each

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

660 in Knurl - Chromoly - Set of 5

Idler Arm - OE Style - 5

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

Simpson Racing SD1 Helmet - M - Safety OrangeMedium - Safety Orange - SA2020 Karting T-Nut - 5/8-18 in ThreadSimpson'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.