80mm Notice: - We had a batch of 80mm studs which were coated in a manner that does not meet our specifications.  Some studs will have a thin or patchy coating. This is cosmetic and in no way compromises the stud structurally.  As a result we have reduced the pricing of the 80mm Pro Studs. 

ACS 'Bullet Nose' race stud.
14mm hardened steel alloy race studs with 'speed nose'. Now featuring our Pexalloy alloy steel with new Black Zinc corrosion resistant coating.
Developed by ACS with our Grand-Am Cup customers to enable faster pit stops.

• Total length 71, 81 or 91mm.
• 22mm unthreaded "nose".
• 32, 42 or 45mm threaded shank.
• 7 or 10mm unthreaded shoulder for positive locating within brake rotor.
• 12 or 14mm long threaded section for seating in hub.

Suitable for Audi, VW, BMW & Porsche (etc.) race cars using M14x1.5mm hub threads. Sold Individually.