Simpson Racing SD1 Helmet - M - CopperMedium - Copper - SA2020 Legend Line Clamp - 2-Piece -

Line Clamp - 2-Piece - 3/8 in ID - Aluminum - Polished - Set of 4

Birdcage - Combo - Driver Side - Rear - 3

25 in D - Weld-On Bung / Filler Neck / Inlet / Outlet - Petcock Included - Aluminum - Natural - Kit

3/1 - Single Layer - Nomex - Black / White - Small - Pair

Helmet - M8 - Snell SA2020 - FIA Approved - Head and Neck Support Ready - Carbon Fiber - Size 7-1/4 - Each

Simpson Racing SD1 Helmet - M - CopperMedium - Copper - SA2020 Legend Line Clamp - 2-Piece -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.