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These ARP washers measure 1/2 in. ID by 1.30 in. OD and are supplied in a 10‑pack. Sized for 1/2‑inch inner diameter fastener use, the set provides a consistent outside diameter for spacing, load distribution or assembly repeatability where this washer dimension is required. Sold as a multi‑pack for multiple fastenings or rebuild work requiring identical washer dimensions.
ARP 1/2 ID 1.30 OD Washers (10 pack)
