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 Cylinder Head Bolts, 12-point Head, High Performance, For Chevrolet SB, 23 Cast iron OEM, Kit

ARP Cylinder Head Bolts, 12-point Head, High Performance, For Chevrolet SB, 23 Cast iron OEM, Kit

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ARP Cylinder Head Bolts, 12-point Head, Pro-Series, For Chevrolet SB, 18° hi-port, Kit

ARP Cylinder Head Bolts, 12-point Head, Pro-Series, For Chevrolet SB, 18° hi-port, Kit

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ARP Cylinder Head Bolt, Hex Head, High Performance, 8740 Black, 190000psi, Gen III LS Series SB (2003 & earlier), Kit

ARP Cylinder Head Bolt, Hex Head, High Performance, 8740 Black, 190000psi, Gen III LS Series SB (2003 & earlier), Kit

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ARP Cylinder Head Bolts, Hex Head, High Performance, For Chevrolet SB, 23 Cast iron OEM, Kit

ARP Cylinder Head Bolts, Hex Head, High Performance, For Chevrolet SB, 23 Cast iron OEM, Kit

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ARP Cylinder Head Bolts, 12-point Head, Stainless, For Chevrolet SB, 23° Cast iron OEM, Kit

ARP Cylinder Head Bolts, 12-point Head, Stainless, For Chevrolet SB, 23° Cast iron OEM, Kit

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ARP Cylinder Head Bolts, Hex Head, High Performance, For Chevrolet SB, 18° standard port, Kit

ARP Cylinder Head Bolts, Hex Head, High Performance, For Chevrolet SB, 18° standard port, Kit

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