ARP High Performance Series head bolt kits are tough. They are rated at 180,000 psi--15 percent stronger than Grade 8 fasteners. They come available with a reduced wrenching hex head or 12-point head that help eliminate the need for valvetrain removal when re-torqueing cylinder heads.

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ARP Bolts, Hex Head, Chromoly Steel, Black Oxide, 10mm x 1.50 RH Thread, 45mm UHL, Set of 5

ARP Bolts, Hex Head, Chromoly Steel, Black Oxide, 10mm x 1.50 RH Thread, 45mm UHL, Set of 5

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ARP Bolts, Stainless Steel 300, Polished, 12-Point Head, 1/2-20 in. Thread, 5.00 in. UHL, Set of 5

ARP Bolts, Stainless Steel 300, Polished, 12-Point Head, 1/2-20 in. Thread, 5.00 in. UHL, Set of 5

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ARP Motor Mount Bolts, Stainless, 12-Point, For Ford, 255, 260, 289, 302, 351W, Set

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MILODON Oil Pump Driveshaft, Bronze Distributor Gear, For Chrysler, For Dodge, For Plymouth, Big Block/Hemi, Each

MILODON Oil Pump Driveshaft, Bronze Distributor Gear, For Chrysler, For Dodge, For Plymouth, Big Block/Hemi, Each

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ARP Air Cleaner Stud/Nut, Steel, Black Oxide, 1/4 in.-20 Thread, 2.225 in. Length, Each

ARP Air Cleaner Stud/Nut, Steel, Black Oxide, 1/4 in.-20 Thread, 2.225 in. Length, Each

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ARP Cam Bolt, High Performance, Chromoly, 3/8 in. Socket, 5/16 in.-18 Thread, .560 in. UHL, For Buick, V6, Each

ARP Cam Bolt, High Performance, Chromoly, 3/8 in. Socket, 5/16 in.-18 Thread, .560 in. UHL, For Buick, V6, Each

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