ARP 145-4012 BB HD STDS ,VICTOR, PRO COMP, TRICK FLOW HEX NUTS, KFFEL BTS,BRODIX B1-BS, BB VICTOR, TRICK FLOW, PRO COMP HEAD $197.99
ARP Brand, Use W/ Edelbrock Victors, 190,000 Psi Tensile Strength
VICTOR CYLINDER HEAD STUDS.
ARP uses a premium grade 8740 alloy that is rated far superior to "aircraft" quality. Then, each stud is placed vertically in special racks and precisely heat-treated to 200,000 psi. This procedure ensures complete heat penetration and the results are far superior to those lesser quality studs from other manufacturers who just dump pieces in a basket and hope for the best.
Following heat-treat, each stud is centerless ground to make it as close to perfectly concentric as possible. This procedure involves about ten very slight cuts and results in an exceptionally straight part. It's important to note that lesser quality studs are not even centerless ground - the material is thread rolled in bar stock form (mostly before heat-treat, when the material is easier to machine). Because ARP studs are manufactured to such exacting tolerances, you will note that gaskets and cylinder heads literally glide into position and are perfectly aligned - something that won't happen with inferior quality head studs. |
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