ARP 245-7601 KB Hemi Valve Cover Stud Kit
Updated June 11, 2026
The ARP 245-7601 KB Hemi Valve Cover Stud Kit is a performance fastener set designed for Mopar 426 Hemi engines. It includes 20 chromoly steel studs with black oxide finish and 12-point nuts, providing secure and reliable valve cover attachment to prevent oil leaks and maintain engine integrity.
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How It Works
These studs replace standard bolts, offering more consistent clamping force and easier installation. The studs are threaded into the cylinder head, and the valve cover is secured with the included 12-point nuts. This design reduces the risk of stripping threads and allows for precise torque application.
Common Failure Symptoms
Failed or worn stock bolts can cause oil leaks around the valve cover gasket, loose valve covers, or stripped threads in the cylinder head. Symptoms include visible oil seepage, engine bay odors, and reduced engine performance due to oil loss.
Installation Notes
Clean all threads thoroughly before installation. Apply a small amount of thread locker or anti-seize to the stud threads. Torque the studs into the head to manufacturer specifications, then install the valve cover gasket and cover, and torque the 12-point nuts evenly in a crisscross pattern.
