M12x1.5mm ACS Race Stud for BMW, VW, Honda, Nissan (etc.). 12mm Hardened steel alloy race studs developed by ACS for use in competition and to replace "wheel bolts" commonly used today.
M14x1.5mm ACS Race Stud for Porsche, Audi, VW (etc.). Hardened alloy steel race studs developed by ACS for use in competition and to replace "wheel bolts" commonly used today. Total length 65mm.
M14x1.5 ACS Race Stud for Porsche, Audi, VW (etc.). Hardened alloy steel race studs developed by ACS for use in competition and to replace "wheel bolts" commonly used today. Total length 80mm.