ARP Pro Series connecting rod bolts are precision CNC-machined to exacting specifications and designed for optimum reliability. They are heat-treated and threads are rolled to provide up to ten times more fatigue strength. This makes them far superior to standard OEM fasteners in terms of durability, and fully capable of handling the extra stress of high-combustion engines.

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ARP Nut, 12-point, 8740 Chromoly, Steel, Black, 7mm x 1 Thread, 180000psi, Set of 2

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ARP Bolts, Hex Head, Chromoly Steel, Black Oxide, 6mm x 1.0 RH Thread, 55mm UHL, Set of 5

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ARP Bolts, 5/16-24 X 4.875 12Pt Black Oxide

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ARP Bolts, Stainless Steel 300, Polished, 12-Point Head, 12mm x 1.75 Thread, 30mm UHL, Set of 5

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ARP Cylinder Head Stud, Pro-Series, 12-point Head U/C Studs, For Subaru, EJ Series DOHC, Kit

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ARP Fuel Bowl Screws, Stainless Steel, Polished, External Hex Head, Holley, Set of 4

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