Miata ARP Main Studs Kit (NA/NB)

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Miata ARP Main Studs Kit (NA/NB) Miata ARP Main Studs Review We highly recommend the ARP Main Studs on any built engine. We have had awesome results using them in our Miata builds and it gives you a great piece of mind when you know quality studs are holding your internals together rather than wishing that you have installed them after something bad happens. Part number arp218-5401 Fits NA/NB Show more