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The ARP single head bolt is a 7/16-14, 2.180 inch UHL fastener made from chrome moly with a black oxide finish and a 12-point head sized for a 1/2 inch wrench. Offered as an individual head bolt, it delivers a high-strength replacement fastening solution where an ARP-specified cylinder head or engine fastener is required, matching the dimensional details provided in the description.
ARP 7/16-14 2.180in UHL Chrome Moly Black Oxide 12 Point 1/2in Wrenching Head
