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This design DOES feature reverse lockout
Part # ARP 218-4701
it is normal for stock head studs to stretch in high power applications
Flywheel Bolt Kit (151-2801) by ARP
Nissan SR20 GTiR 12mm ARP Head Stud Kit 202-4303 4x4 products This design DOES feature reverseNissan GTiR SR20DET 12mm Head Stud Kit with 12 Point Nuts It is for good reason that virtually every top professional engine builder relies on ARP Pro Series head studs for their all out competition powerplants. Simply stated, theres not a better stud setup on the market today. For openers, ARP uses a premium grade 8740 alloy that is rated far superior to aircraft quality. Each stud is placed vertically in special racks and precisely heat treated to
