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Ships within 48 hours · Estimated delivery Aug 11 - Aug 16
Rear Axle Nut - Right Hand Thread - Aluminum - Black Anodized - 1-3/4 in 27 Spline Axle - Micro / Mini - Each
excluding the New Aluminum Ultra XP and Gen 3 Dominators
000 in/ft Taper - 1 in Extended Length - Hardware Included - GM A-Body / B-Body - F-Body - Each
Camshaft Thrust Bearing - 0
Simpson Safety - Simpson Racing SA2020 Diamondback Racing Helmet Rear Axle Nut - RightA 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. NOTE: This helmet is Snell SA2020 certified and is broadly accepted by race organizing bodies and tracks through 2030.
