ARP Hex Nuts - 7/16-20 (10) M59XX1 to accept a smaller bolt

to accept a smaller bolt size

10 AN Hose Barb to 10 AN Female

Built for the most demanding environments and for all forms of racing

1960-1974 Pontiac Catalina

Zamp Z-14 Series replacement helmet shield

ARP Hex Nuts - 7/16-20 (10) M59XX1 to accept a smaller boltARPs 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: Nut 7 16 20 in Thread 11 16