Simpson Racing SA2020 Diamondback Racing Helmet7.5 - Black Late Model 600 in Head - 11/32

600 in Head - 11/32 in Valve Stem - Stainless - Edelbrock Performer 5

Spark Plug - Diamond Fire - 16 mm Thread - 0

Tapered Spacer - 3/4 in ID - 1 in Thick - Aluminum - Natural - Pair

Tire Prep Stand - Manual - Pivoting Head - Steel - Black Paint / Cadmium - 5 x 5 / Wide 5 Wheels - Black Paint - Kit

Rod End - Spherical - 5/8 in Bore - 5/8-18 in Left Hand Male Thread - Steel - Chromate / Zinc Oxide - Each

Simpson Racing SA2020 Diamondback Racing Helmet7.5 - Black Late Model 600 in Head - 11/32A 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.