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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.
Not Yet Reviewed
$696.99
ARP Main Stud Kits
ARP main stud kits help eliminate main cap walk/fretting and protect the threads in your engine block. They include studs made from 8740 chromoly steel and heat-treated in-house to 190,000 psi tensile-strength rating. The precision J-form threads are rolled after heat-treat for much stronger threads than the competition. Kits come complete with hardened parallel-ground washers and high-quality nuts. Add confidence in the strength of your engine build with the ARP main stud kit designed for your application.
( 394 )
$204.99
ARP High Performance Series Main Bolts
ARP High Performance Series main bolts are rated at 180,000 psi and a popular premium replacement for OEM fasteners. Designed to meet the exacting standards and demands of professional engine builders, ARP bolts are forged from 8740 chromoly steel and feature a reduced wrenching head, large underhead radius, and rolled threads for the utmost in reliability. The threads are rolled after heat-treating which gives them about 2,000 percent better fatigue strength than most main bolts that are threaded prior to heat-treating. Hardened parallel-ground washers are included with each kit.
( 179 )
$102.99
ARP Powersports Main Cap Studs
Why use ARP main cap studs for your motorcycle or UTV? They're machined from 8740 chromoly steel, heat-treated to 190,000 psi tensile strength, and precision J-form thread-rolled to create fasteners with the strongest threads available. The studs eliminate main cap walk and fretting—and offer the ability to obtain more accurate torque readings, easier engine assembly, and the proper alignment of caps. Order the set recommended for your powersports machine!
Not Yet Reviewed
$134.99
