ARP 1/2-13 and 1/2-20" Thread Stud 6.500" Long Broached Chromoly - Black Oxide R07C155XL They are only to be

They are only to be used in racing vehicles off public streets and highways

resulting in a solid outer surface

Select from panels fitted with Allstar

Hub is significantly lighter than a harmonic balancer and dramatically reduces rotating weight for quicker acceleration off the turn

ARP 1/2-13 and 1/2-20" Thread Stud 6.500" Long Broached Chromoly - Black Oxide R07C155XL They are only to beARPs 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