(Supderduty, 6.0L Diesel) Built for the (03-05) Ford F350… Obtaining the optimum cylinder head-to-block sealing is especially critical in small displacement engines employing high compression pistons or power adders like turbochargers, nitrous oxide and superchargers. That’s why ARP head studs are popular among leading Sport Compact/Import racers.You will have to know that ARP uses a premium grade 8740 alloy that may be rated far superior to “aircraft” quality. Then, each and every stud is precisely heat-treated to 200,000 psi. Following heattreat, each and every stud is centerless ground to make it as close to perfectly concentric as conceivable. This procedure involves about ten very slight cuts and ends up in an exceptionally straight part. You need to note that lesser quality studs aren’t 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’re going to note that gaskets and cylinder heads literally waft into position and are perfectly aligned something that would possibly not happen with inferior quality head studs.ARP studs are thread rolled after heat-treat, which gives them about 1000% (that’s ten times) better fatigue strength than those studs that are threaded prior to heat-treat.You’re going to also note that ARP offers specially undercut studs for several engines. This procedure (done only to the shorter studs) more equalizes the “stretch” of both studs, which makes for a more consistent clamping force one that compensates for head gasket compression when the head is installed. This helps prevent blown head gaskets, and assures optimum sealing!
Black oxide finish
Part number: 2504202
Fit type: Vehicle Specific
Package Weight: 5.724 kilograms
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