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ARP Main Studs - There are many important reasons to use ARP main stud kits, including the elimination of main cap walk and fretting, as well as protecting the threads in your engine block. All kits come complete with hardened parallel-ground washers and high quality nuts. The studs are manufactured from 8740 chrome moly steel, heat-treated in-house to 190,000 psi tensile strength, and precision J-form threads rolled after heat treatment to create a fastener that has threads 2000% stronger than others.

ARP MAIN STUD KIT: FORD ZETEC SE 16V/SIGMA 1.25/1.4/1.6/1.7

£246.00Price
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