ARP Cylinder Head Stud 12 Point Nuts Chromoly Black Oxide - 15 Bolt RJS Racing Equipment SAE J1171 and United States

SAE J1171 and United States Coast Guard Requirements for Ignition Protection and Fire Resistance

allowing them to be mechanically locked in place with safety wire

download the installation instruction below

2 in Wide Cuffs

Packaged two per card with sealing o-rings

ARP Cylinder Head Stud 12 Point Nuts Chromoly Black Oxide - 15 Bolt RJS Racing Equipment SAE J1171 and United StatesARPs product line contains thousands of part numbers, and has expanded to include virtually every fastener found in an engine and driveline. These range from quality high performance OEM replacement parts to exotic specialty hardware for Formula 1, IndyCar, IMSA, NASCAR and NHRA drag racing and marine applications. Since 1968, ARP is the fastener of champions and the world leader in fastener technology. Product Description: Cylinder Head Stud Kit 12