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Part number: 200-8598
Universal product
Product Details
ARP 200-8598 Cylinder Head Fasteners
Products specifications
Insert Size (ID/OD) 7/16 / 0.529
Material 8740 Chrome Moly
OD 0.875
Quantity Sold as a set of 10.
Washer Finish Black zinc
Washer Inside Diameter (in) 0.438 in.
Washer Material Steel
Washer Outside Diameter (in) 0.875 in.
Insert Washer
10Pieces

These handy washers are made to protect the top of holes from galling or collapsing around studs or bolts. Theyre ideal for head bolt holes, mid-motor plates, or any other high-wear area that requires a washer. Easy to install by just oversizing hole and pressing in washer. ARP Insert Washers are fully CNC machined from premium thru-hardened 8740 stock.

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I ordered an AEM intake for my F-150 on Christmas day and received it on the 29th.  I would absolutely recommend this site to anyone looking for car parts - they had the lowest price by far and shipped fast.  Great job!
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Great and easy!
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Found Autoplicity by doing Google search looking for Corsa Sport Axle Back exhaust for my 2008 GT500. By far the best price, even cheaper than other big companies with free shipping by far. Ordered them on Thursday afternoon and got them 24 hours later in NY with the standard shipping. Could'nt be happier.
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fast, polite service when we had a question
Return Policy
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Not happy with a purchase? No problem. We've made returning items as easy as possible. And most purchases can be returned for free for 30 days. Learn more about our Returns Policy