Availability
ARP Pro Series Cylinder Head Studs
ARP Pro Series cylinder head studs are cold-forged to ensure molecular integrity. They're heat-treated prior to thread rolling and machining. ARP Pro Series kits are also available with 12-point nuts, and all studs come complete with hardened parallel washers for an even load distribution and accurate torque readings. With hundreds of models ready to ship, these cylinder head fasteners can be ordered for virtually any style engine.
( 818 )
$527.99
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$748.99
ARP Custom Age 625+ Cylinder Head Stud Kits
ARP Custom Age 625+ cylinder head studs are centerless ground, heat-treated prior to thread rolling and machining, nominally rated at 270,000 psi tensile strength, and are reusable as compared to OEM Torque-to-Yield (TTY) head bolts. Their main attributes are optimum design, enhanced reliability, and increased strength. Each kit includes a set of Custom Age 625+ studs, chromoly steel nuts, hardened and parallel ground washers, and a 1/2 oz. pack of ARP Ultra-Torque fastener assembly lubricant. Select the stud kit designed for your vehicle. * Custom Age 625 Plus is a super-alloy with superior fatigue cycle life, tensile strength and toughness--with complete resistance to atmospheric corrosion and oxidation. ARP is the first to develop manufacturing and testing processes for fasteners with Custom Age 625+. Typical tensile strength is 260,000 to 280,000 psi.
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$696.99
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