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Your cart is empty.ARP uses a premium grade 8740 alloy, which is rated far superior to "aircraft" quality, for their Pro Series cylinder head studs. Each stud is placed vertically in special racks and precisely heat-treated to 200,000 psi to ensure complete heat penetration. Then the studs are centerless ground to make them as close to perfectly concentric as possible, unlike lesser quality studs. 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. By being thread rolled after heat-treat, these studs have about 1000% (that's ten times) better fatigue strength than those studs that are threaded prior to heat-treat (a very common industry practice). It costs a lot more to do it this way, because it's tough on tooling, but the results are well worth the extra effort. This cylinder head stud kit comes complete with premium quality parallel ground washers and compact 12-point style nuts for select Chevrolet small block applications (23 degree OEM cast iron and aluminum Chevrolet, Gen III Vortec/Truck; AIrflow Research, Brownfield; Brodix -8, -10, -11, Track I, Dart Sprotsman and Dart II and most Edelbrock, Trick Flow).
April
Reviewed in the United States on January 29, 2024
Quality purchase
Gene
Reviewed in the United States on April 20, 2024
You can always rely on ARP for great quality...worked great on my AFR. Heads...
Bikewirks
Reviewed in the United States on July 4, 2023
As usual, ARP are the best bolts available. Work great on my AFR headed SBC. Will purchase again!
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