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The ARP head bolt kit supplies 7/16‑inch hex head stainless steel bolts for Oldsmobile 350–455 applications. This fastener kit is intended for cylinder head clamping during engine rebuilds and maintenance, providing corrosion-resistant hardware sized to fit the specified Oldsmobile small- and big-block engines noted in the source description.
ARP Oldsmobile 350-455 7/16in SS Hex Head Bolt Kit
