ARP 1/2-13 and 1/2-20" Thread Stud 7.500" Long Broached Chromoly - Black Oxide 016440NRRS and 5 x 5" patterns

and 5 x 5" patterns

Fire retardant cotton

Fire- retardant

and a sealant range of 10

ARP 1/2-13 and 1/2-20" Thread Stud 7.500" Long Broached Chromoly - Black Oxide 016440NRRS and 5 x 5" patternsARPs 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: Stud 1 2 13 and 1 2 20 in