Simpson Racing SD1 Helmet - M - REDMedium - Red - SA2020 Sim Racing Tight Machined Tolerances: All components

Tight Machined Tolerances: All components are manufactured to exceptionally high standards

helping you achieve optimal alignment and handling

75:1 Gear Reduction - Black / Natural - 110 Tooth Flywheel - Quarter Master Bellhousing - Each

Ignition Box Bracket - Dash Mount - Bolt-On - Tach / Kill Switch Mount Included - Aluminum - Natural - MSD Ignition Boxes - Sprint Car - Each

03 - Steel - Pair

Simpson Racing SD1 Helmet - M - REDMedium - Red - SA2020 Sim Racing Tight Machined Tolerances: All componentsSimpson'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.