Studs made of proprietary ARP 2000 material in Santa Paula, CA
Rated at 220,000 psi tensile strength
Ample clamping force prevents cylinder heads from lifting
Threads rolled after heat treatment for optimum fatigue strength
Centerless ground to assure perfect concentricity
Broached stud ends install & make cylinder head removal easier
Chrome moly steel 12-pt nuts & parallel-ground washers included
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