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

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

Utility Jug Hose - Trigger - Filler Hose - Screw-On - Cap - Plastic - Black - VP Utility Jug Caps - Each

Wheel Spacer - 5 x 5

5 in Length - 650 lb/in Spring Rate - Front - Steel - Silver Powder Coat - 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.