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, 8740 Chromoly, Black Oxide, Hex Head, 1/2-13 in. Thread, 3.25 in. UHL, Set of 5

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ARP Washer, Hardened, High Performance, Flat, 7/6 in. ID, 2.000 in. OD, Chromoly, Black Oxide, 0.275 in. Thick, Each

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ARP Valve Cover Bolts, Chromoly, Black Oxide, Hex, 1/4 in.-20 Diameter, Cast Aluminum Covers, Set of 14

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