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The ARP 1/2‑13 stainless steel 12‑point nut kit supplies high‑strength, corrosion‑resistant 12‑point nuts in a 1/2‑13 thread size for use where that fastener form is required. Intended as replacement hardware for engine and drivetrain assemblies, these nuts are provided to match the specified thread and geometry. Install with proper torque values and compatible hardware to ensure correct clamping force and safety.
ARP 1/2-13 SS 12pt Nut Kit
