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Part number: 400-8301
Product Details
ARP 400-8301 Cylinder Head Fasteners
Products specifications
Fastener Yield Strength (psi) 140,000 psi
Material Stainless Steel
Nut Finish Polished
Nut Material Stainless steel
Nut Style 12-point
Nylon Insert No
Quantity Sold individually.
Self-Locking No
Size 5/16-24
Socket 3/8
Thread Size 5/16-24 RH in.
Washers Included No
Wrench Diameter 3/8 in.
Standard 12Point Nut
Single Piece

Available in a variety of sizes to suit your needs, all ARP 12-point nuts are constructed from 8740 chrome moly steel or ARP 300 Series stainless steel material, and meet ARPs highest standards of quality. Rated at 180,000 psi tensile strength, ARP 12-point nuts are manufactured in thick wall versions for optimum strength and rigidity and thin wall versions for applications with limited space requirements. All 8740 chrome moly steel nuts are black oxide finished and all stainless steel nuts are polished to a briliant luster. ARP 12-point nuts are available in 1-piece bulk, 2-piece and 10 piece packages.

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P
Very easy & fast to use, and GREAT products.
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easy site to navigate
C
Autoplicity has great prices and customer service. Shipping is fairly fast too. Ordered product on Monday and it was shipped on Wednesday. Will make future purchases with this company.
R
Very pleased with the service and quick shipping.  Checked out through Amazon payments without any issues.  Item ordred was the Hella Supertone Horns.  Arrived in original box and packaging.  Will not hesitate to order from Autoplicity in the future.
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