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ARP Head Stud Kit
ARP uses a premium grade 8740 alloy that is rated far superior to "aircraft" quality. Then, each stud is precisely heat-treated to 200,000 psi. ARP studs are thread rolled after heat-treat (a very common industry practice). All kits come complete with hardened parallel-ground washers and high quality nuts. ARP offers specially undercut studs for several engines. This procedure (done only to the shorter studs) more equalizes the "stretch" of both studs, which makes for a more consistent clamping force and one that compensates for head gasket compression when the cylinder heads are installed. This helps prevent blown head gaskets, and assures optimum engine sealing!
Part Type: Cylinder Head Fasteners
UPC: 672036010225
Washers Included: Yes
Fastener Color: Black
Fastener Style: Stud
Undercut Stud: Yes
Head Style: 12-point
Fastener Material: 8740 Chromoly
Quantity Sold as: A Kit
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