ARP high performance cylinder head stud kits are precision centerless-ground and thread-rolled to Mil-S-8879 specs. Their black oxide finish protects them from wear and corrosion, and ARP throws in hardened parallel washers for uniform load distribution and accurate torque readings. Keep your cylinders mounted securely.

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ARP Bolts, 12-Point Head, Chromoly Steel, Black Oxide, 3/8 in.-16 RH Thread, 1.000 in. UHL, Set of 5

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ARP Nut, Hex, ARP Stainless Steel, Polished, Flanged, 3/8 in.-24 Thread, 180000psi, Each

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ARP Bolts, Hex Head, Custom 450, Black Oxide, 3/8 in.-16 RH Thread, 2.500 in. UHL, Set of 5

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ARP Washer, Hardened, High Performance, Chamfer, Flat, 5/16 in. ID, 0.625 in. OD, 0.120 Thick, Stainless Steel, Polished, Set of 2

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