Simpson Racing SD1 Helmet - XL - REDExtra Large - Red - SA2020 Bandolero Multiple Units of Measurement: Displays

Multiple Units of Measurement: Displays pressure in PSI

Pinion Retaining Plate - 6-Bolt - Steel - Cadmium Plated - Winters Quick Change - Each

Gauge Line Kit - 4 AN - 60 in Long - 4 AN Female to 4 AN Female - Fittings Included - PTFE - Braided Stainless - Mechanical Pressure Gauges - Kit

00 in Drilled / Slotted Iron Rotor - Offset - Aluminum - Black Powder Coat - ProSpindle - Kit

Simpson Racing SD1 Helmet - XL - REDExtra Large - Red - SA2020 Bandolero Multiple Units of Measurement: DisplaysSimpson'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.