Simpson Racing SD1 Helmet - XS - CarbonExtra Small - Carbon - SA2020 Late Model 2A/1 - Multiple Layer -

2A/1 - Multiple Layer - Fire Retardant Cotton / Nomex - Black - X-Large - Each

00 in Wheel - 8 x 7

Traction Bars - Anti-Hop - Bolt-On - Graphite / Polyurethane Bushings - Steel - Black Powder Coat - GM A-Body / G-Body 1978-88 - Pair

Durable Construction: CNC machined billet aluminum housing for long-lasting durability

5 in Barrel Spring - 1 in Height - Rubber - Blue - Each

Simpson Racing SD1 Helmet - XS - CarbonExtra Small - Carbon - SA2020 Late Model 2A/1 - Multiple Layer -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.