ARP Special Purpose Flat Washer – 0.375 in ID – 0.750 in OD – 0.120 in Thick – Chromoly – Black Oxide – Set of 10

ARP’s 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.

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