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, Hex Head, High Performance, For Pontiac, 326-347-370-389-421, w/ D port Heads (1964 & earlier), Kit

ARP Cylinder Head Bolts, Hex Head, High Performance, For Pontiac, 326-347-370-389-421, w/ D port Heads (1964 & earlier), Kit

$175.49

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ARP Cylinder Head Bolts, Hex Head, High Performance, For Pontiac, 400-455, w/ Edelbrock Performer & RPM Heads, Kit

ARP Cylinder Head Bolts, Hex Head, High Performance, For Pontiac, 400-455, w/ Edelbrock Performer & RPM Heads, Kit

$169.70

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ARP Cylinder Head Bolts, Hex Head, High Performance, For Pontiac, 326-389-421, w/ D port Heads (1965-66 only), Kit

ARP Cylinder Head Bolts, Hex Head, High Performance, For Pontiac, 326-389-421, w/ D port Heads (1965-66 only), Kit

$171.38

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ARP Cylinder Head Bolts, Hex Head, High Performance, For Pontiac, 350-400-428-455, w/ D port Heads (1967 & later), Kit

ARP Cylinder Head Bolts, Hex Head, High Performance, For Pontiac, 350-400-428-455, w/ D port Heads (1967 & later), Kit

$175.49

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ARP Cylinder Head Bolts, Hex Head, High Performance, For Pontiac, 400-455, w/ Edelbrock Performer & RPM Heads, Kit

ARP Cylinder Head Bolts, Hex Head, High Performance, For Pontiac, 400-455, w/ Edelbrock Performer & RPM Heads, Kit

$172.59

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ARP Cylinder Head Bolts, Hex Head, High Performance, For Pontiac, 400 Ram Air II/IV & 455 HO, Ram Air II, Super Duty w/ Round port Heads (1968-74), Ki

ARP Cylinder Head Bolts, Hex Head, High Performance, For Pontiac, 400 Ram Air II/IV & 455 HO, Ram Air II, Super Duty w/ Round port Heads (1968-74), Ki

$160.02

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