ARP 12pt Hardware Kit 5/16-18 x 1.000 Black Oxide Bolts

ARP 12pt Hardware Kit — 5/16-18 x 1.000 Black Oxide Bolts Brand: ARP High-quality ARP 12-point black oxide bolts, size 5/16-18 x 1.000 . Designed for precision fastening in performance and restoration applications where strength, fit, and finish matter. Material & Finish: Heat-treated alloy steel with durable black oxide finish for corrosion resistance and a low-glare appearance. Head Type: 12-point head provides increased wrench contact for tight clearances and higher torque capacity. Thread Size: 5/16-18 UNF standard threading for secure engagement. Length: 1.000" grip length suited for manifold, accessory, and bracket mounting. Quantity: Hardware kit includes multiple bolts (sold as kit) to complete assemblies. Trusted by engine builders and fabricators, ARP bolts deliver consistent clamping force and fatigue resistance. Ideal for automotive, racing, marine, and industrial projects requiring reliable, high-strength fasteners. Keywords: ARP bolts, 5/16-18 bolts, 12-point hardware, black oxide fasteners, performance engine bolts.