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ARP stainless steel header bolt kit for Oldsmobile 330–455 engines includes 3/8-inch hardware engineered for header installation on the specified Olds V8 applications. This kit supplies corrosion-resistant stainless steel fasteners sized to fit the listed engines, providing a durable replacement option for header mounting where 3/8-inch bolts are required.
ARP Olds 330-455 3/8in SS Header Bolt Kit
