ARP Head Stud Kit 89-05 Mazda Miata DOHC 1.6L / 1.8L BP

ARP Head Stud Kit 89-05 Mazda Miata DOHC 1.6L / 1.8L BP

: In stock

: ARP

: Head Studs

: 218-4701

$144.36
ARP® uses a premium grade 8740 chromoly that is rated far superior to to "aircraft quality". Then, each stud is placed vertically in special racks and precisely heat-treated to 200,000 psi. This procedure ensures complete heat penetration and the results are far superior to those lesser quality studs from other manufacturers who...
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ARP® uses a premium grade 8740 chromoly that is rated far superior to to "aircraft quality". Then, each stud is placed vertically in special racks and precisely heat-treated to 200,000 psi. This procedure ensures complete heat penetration and the results are far superior to those lesser quality studs from other manufacturers who just dump pieces in a basket and hope for the best. Following heat-treat, each stud is centerless ground to make it as close to perfectly concentric as possible. This procedure involves about ten very slight cuts and results in an exceptionally straight part. It s important to note that lesser quality studs are not even centerless ground the material is thread rolled in bar stock form (mostly before heat-treat, when the material is easier to machine). Because ARP® studs are manufactured to such exacting tolerances, you will note that gaskets and cylinder heads literally glide into position and are perfectly aligned something that won t happen with inferior quality head studs. 

ARP® studs are thread rolled after heat-treat, which gives them about 1000% better fatigue strength than those studs that are threaded prior to heat-treat (a very common industry practice). It costs a lot more to do it this way, because it s tough on tooling, but the results are well worth the extra effort.

Returns Policy

If the item is not defective you will have to pay the return shipping and there is a 20% restocking fee and we do not refund our original shipping costs. Only new in the original packing items that have never been installed can be returned.

Note: All returns require a return authorization by Honest Speed Shop before returning. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).

You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).

If you need to return an item, simply login to your account, view the order using the 'Complete Orders' link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.

Shipping

We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations. We do ship to the non lower 48 states and internationally. Please contact us for a shipping quote before ordering. A full ship to address is required for a shipping quote.  Free shipping promotions do not apply to International orders and non lower 48 states orders

When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.

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