ARP S/S 1/2-20 12pt. Nuts - (10 Pack) 41011510 Black Paint

Black Paint

40-micron stainless steel replacement element

have 1/4"-20 thread and a built-in ALL18560 captured washer

while bolt kits are shipped with the required flat washers

have all been torture-tested to 1 million cycles on our hydraulic test rig

ARP S/S 1/2-20 12pt. Nuts - (10 Pack) 41011510 Black PaintARPs 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 1 2 20 in Thread 9 16