Simpson Racing SA2020 Diamondback Racing Helmet7.375 - Black Hobby Stock Shock - SMX Series -

Shock - SMX Series - Monotube - Steel - Black Paint - Rear - 4-6 Valve - GM A-Body / F-Body / G-Body - Each

Weld-On Nut - 1/2-13 in Thread - 3/4 in OD Mounting Hole - Steel - Natural - Set of 25

78 Ratio - 9 Spline Pinion - Winters Competition K305 / Midget Quick Change - Kit

Nose - Dominator SS - Driver Side - Plastic - Purple - Universal - Street Stock - Each

Crank Trigger Transducer - Magnet-In-Wheel Style - Steel - Zinc Oxide - Each

Simpson Racing SA2020 Diamondback Racing Helmet7.375 - Black Hobby Stock Shock - SMX Series -A 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.