Simpson Racing SD1 Helmet - XL - CarbonExtra Large - Carbon - SA2020 Mini-Stock 125 in Thick - 5/8

125 in Thick - 5/8 in and 3/4 in Shaft - Aluminum - Natural - Ford / GM Water Pumps - Set of 3

Fitting - Adapter Tee - 1/4 in NPT Male x 6 AN Male x 6 AN Male - Aluminum - Black Anodized - Each

062 in OD - Dry Valve - Rear - Steel - Black Zinc Oxide - Street Stock - Set of 6

125 in Offset - 1

2 Stroke Oil - Racing - Synthetic - 1 gal Jug - Each

Simpson Racing SD1 Helmet - XL - CarbonExtra Large - Carbon - SA2020 Mini-Stock 125 in Thick - 5/8Simpson'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.