ARP Head Stud Kit, Hex Nut (AR205-4002)

AR205-4002 - HOLDEN 3.8L V6 VN - VR PRE fits Holden 3.8L V6 Non Ecotec VN-VR 7/16" Part Number: AR205-4002 It Is For Good Reason That Vir tually Every Top Professional Engine Builder Relies On Arp P ro Series Head Studs For Their All-out Competition Powerplan ts. Simply Stated, There's Not A Better Stud Set Up On The M arket Today. For Openers, Arp Uses A Premium Grade 8740 Allo y That Is Rated Far Superior T o Aircraft Quality. Then Each Stud Is Placed Vertically In S pecial Racks And Precisely Hea t Treated To 200,000 Psi. This Procedure Ensures Complete He at Penetration And The Results Are Far Superior To Those Les ser Quality Studs From Other M anufacturers Who Just Dump Pie ces In A Basket And Hope For T he Best. You Will Also Note Th at Arp Offers Specially Underc ut Studs For Several Engines. This Procedure (done Only To T he Shorter Studs) More Equaliz es The Stretch Of Both Studs, Which Makes For A More Consist ent Clamping Force - And One T hat Compensates For Head Gaske t Compression When The Cylinde rs Are Installed. This Helps P revent Blown Head Gaskets, And

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