ARP M10 x 1.25 Locking Flange Nuts (10) 200-8683 at low everyday prices. Be sure to check out all of our products from ARP including ARP Nuts (Mechanical Lock).
Product Description: Nut, Locking, 10 mm x 1.25 in Thread, 12 mm Hex Head, Serrated Flange, Chromoly, Cadmium, Set of 10