Simpson Racing SA2020 Diamondback Racing Helmet7.25 - Black Hobby Stock Jack Bolt - 1-8 in

Jack Bolt - 1-8 in Thread - 4 in Long - Steel - Cadmium - Universal - Each

Fuel Pump Adapter Spacer - Bell Housing Mount - Phenolic - Natural - Each

Enhanced Engine Protection: By keeping contaminants out and ensuring optimal airflow

500 in Tall - 13/16-16 in Thread - Steel - White Paint - GM LS-Series - Each

Broom Holder - Wall Mount - 4

Simpson Racing SA2020 Diamondback Racing Helmet7.25 - Black Hobby Stock Jack Bolt - 1-8 inA major revision to our Simpson Diamondback for 2021 combines a new Italian composite shell with a shorter chinbar and changes to the visor mounting for improved fit and function while also providing enhanced impact protection. Helmet ships with one clear face shield installed, additional face shields may be purchased separately.