The Pro Series cylinder head bolts from ARP are cold-forged to ensure molecular integrity. They are heat-treated prior to thread rolling and machining, and are rated at a whopping 190,000 psi. The Pro Series are also available with hex and 12-point heads. All kits come complete with hardened parallel washers for even load distribution and accurate torque readings.

More From This Category

ARP Valve Cover Studs, Black Oxide 12-Point, Mopar KB Hemi, 1/4 in. x 2.450, 20 Pieces

ARP Valve Cover Studs, Black Oxide 12-Point, Mopar KB Hemi, 1/4 in. x 2.450, 20 Pieces

$218.77

ARP Cylinder Head Stud, Pro-Series, Hex Head, For Ford BB, 427 SOHC, Kit

ARP Cylinder Head Stud, Pro-Series, Hex Head, For Ford BB, 427 SOHC, Kit

$368.74

ARP Cylinder Head Stud, Pro-Series, Hex Head U/C Studs, For Ford SB, 351 w/ C3 Heads, Kit

ARP Cylinder Head Stud, Pro-Series, Hex Head U/C Studs, For Ford SB, 351 w/ C3 Heads, Kit

$483.21

ARP Valve Cover Bolts, Stainless Steel, Polished, Hex, 1/4 in.-20 Diameter, SBC Brodix Valve Cover, Set of 4

ARP Valve Cover Bolts, Stainless Steel, Polished, Hex, 1/4 in.-20 Diameter, SBC Brodix Valve Cover, Set of 4

$39.50