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The ARP washer kit supplies precision washers used to distribute fastener load and protect mating surfaces during assembly. This set includes washers with a 1/4" inner diameter and a 0.440" outer diameter, a no‑chamfer flat seating profile, and a black finish. They are intended for use under bolt heads or nuts where consistent, low‑profile seating is required.
ARP 1/4 ID .440 OD no chamfer black washers
