Simpson Racing SD1 Helmet - L - Matte BlackLarge - Matte Black - SA2020 Legend Axle Housing Tube - 26

Axle Housing Tube - 26 in Long - 2-1/2 in OD - Straight - 0

Upgrade Your Wheel Hardware: The Lug Nut

Motor Oil - XP6 - 15W50 - Synthetic - 1 qt Bottle - Each

Gauge Mounting Base - Extended Pedestal Mounting Base - Aluminum - Black Anodized - Hardware Included - Each

Fuel Level Gauge - Ultra-Lite - 73-10 ohm - Electric - Analog - Short Sweep - 2-1/16 in Diameter - Silver Face - Each

Simpson Racing SD1 Helmet - L - Matte BlackLarge - Matte Black - SA2020 Legend Axle Housing Tube - 26Simpson'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.