Simpson Racing SD1 Helmet - XL BLUEExtra Large - Blue - SA2020 Late Model 12 Ratios 5

12 Ratios 5

Anodized red lightweight aluminum

Carburetor - Equalizer - Model 4150 - 4-Barrel - 750 CFM - Square Bore - No Choke - Mechanical Secondary - Dual Inlet - Aluminum - Black Powder Coat / Red Anodized - Gas - 604 Crate Engine - Each

Drive Shaft - 47

the 12" Radius Rod ensures a seamless fit and easy integration with your existing suspension setup

Simpson Racing SD1 Helmet - XL BLUEExtra Large - Blue - SA2020 Late Model 12 Ratios 5Simpson'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.