Tech, Repairs, Upgrades > Capri N/A 89-94

ARP Head Studs Mazda Miata 1.6

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jaxchecker:
Thanks for getting back to me about the bolts. So what your saying is that I need the  1991 MAZDA MX-5 MIATA 1.6L L4 Head Bolts.
Seem the part number is B66010135A either way.



I'm curious though, what would you use in your engine? Studs or bolts?

Aus Capri:
The studs are obviously stronger and do a good job, but unless your gonna be running a lot of boost and making heaps more than stock power I would not bother.  I have the arp studs in my motor but it's got a giant turbo and sees up to 30psi of boost. Stock or close to stock upgrades definitely don't need em.

WashiestSnake:

--- Quote from: Rocketman on June 21, 2021, 10:01:53 PM ---You need a set for the 1.6L, 1994 miata used the 1.8L.
Though they may be the same between the two, stick with the listing for the 1.6L (89-93 IIRC)

--- End quote ---

Can confirm that the head studs are the same.

EShepherd:
Late to the party here, but I got a set of the ARP studs that Flyin' Miata makes for the 1.6L Miata. They weren't super back-ordered like all the other ARP fasteners. A little pricier, but not too much. They'll work, too, if you're looking for something a little stronger than a head bolt.

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