ARP 426 Hemi 1/2″ Head Stud Kit

426 Hemi 1/2″ Cylinder Head Stud Kit

The 426 Hemi 1/2″ Head Stud Kit provides high-strength fastening engineered to handle extreme cylinder pressures in high-performance engines. Designed by ARP, these premium head studs ensure consistent clamping force, preventing head gasket failure and optimizing combustion seal reliability on the street or the track.

Key Features

• Heavy-duty 1/2-inch diameter design for maximum clamping efficiency
• Premium fatigue-resistant alloy construction to prevent stretch
• Threads rolled after heat-treatment for vastly superior fatigue strength
• Complete kit includes premium quality parallel-ground washers and nuts

Fitment

• Chrysler 426 Hemi V8 engines utilizing 1/2″ head fastening applications

Note: Please verify your engine block thread sizing, aftermarket cylinder head clearance, and installation torque specifications to confirm precise compatibility prior to final assembly.