Fits: 89-98 (5.9L) 12-valve cummins trucks
These ARP main studs are made from 8740 chromoly steel and have a 200,000 psi tensile-strength rating.
They are precision centerless-ground and thread-rolled to Mil-S-8879 specs, with a black oxide finish for corrosion resistance.
The kits come complete with hardened washers and high-strength hex nuts.
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