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 Bolts, 8740 Chromoly, Black Oxide, Hex Head, 1/2-20 in. Thread, 5.00 in. UHL, Set of 5

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ARP Bolts, Hex Head, Stainless 300, Polished, 10mm x 1.25 RH Thread, 25mm UHL, Set of 5

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ARP Header Bolts, 12-Point, 5/16 in. Wrench, Custom 450, Black Oxide, 3/8 in.-16, 0.750 in. UHL, Set of 12

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ARP Cylinder Head Stud, Pro-Series, Hex Head U/C Studs, For Chevrolet BB, w/ GM Aluminium Block, 7/16 in. Dia, Kit

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ARP Nut, 12-point, 8740 Chromoly, Steel, Black, 7/16 in.-20 Thread, 180000psi, Set of 10

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