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The ARP header stud kit for Olds 350–455 includes 3/8‑inch hex stainless studs intended for exhaust header installation on those Oldsmobile engines. Supplied as an application-specific kit, these studs replace corroded or broken hardware and provide durable, rust-resistant fastening to keep header flanges aligned and clamped during assembly or maintenance of the exhaust system.
ARP Olds 350-455 3/8in hex SS header stud kit
