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Part number: 400-8662
Product Details
ARP 400-8662 Cylinder Head Fasteners
Products specifications
Fastener Yield Strength (psi) 140,000 psi
Material Stainless Steel
Nut Finish Polished
Nut Material Stainless steel
Nut Style Hex
Nylon Insert No
Quantity Sold as a set of 5.
Self-Locking Yes
Size 5/16-18
Thread Size 5/16-18 in.
Washers Included No
Standard Nyloc Hex Nut
5Pieces

Constructed from the finest aerospace-quality materials, these hex nuts are available in most sizes to meet your needs. All hex
nuts meet ARPs exacting quality control standards and are black oxided. All hex nuts are rated 180,000 psi tensile strength.

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good and quick
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So far it was easy. Lets now see how fast it get here.
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Easy process
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The best price I could find and it arrived in 2 days! I'll be doing business again.
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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