Why use ARP main cap studs for your motorcycle? ARP main cap studs are manufactured from 8740 chromoly steel, heat-treated to 190,000 psi tensile strength, and precision J-form thread rolled to create fasteners that have the strongest threads available. They 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. Need another reason to give your motorcycle the best? ARP main cap studs are made in America!

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