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This ARP insert washer set includes two washers with a .995" outer diameter and a 1/2" inner diameter. Sold as a 2-pack, these washers serve as insert-style spacers that stabilize and center 1/2" fasteners while providing a larger bearing surface. They are useful during engine or component reassembly where precise ID/OD match and repeatable spacing are needed for proper torque distribution.
ARP .995 OD X 1/2 ID insert washer 2pk
