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Suitable for use on all Chrysler Small Block engines (273ci, 318ci, 340ci, 360ci) that are running factory, or factory-style cylinder heads. Not for use with Edelbrock RPM, or HP Alloy cylinder heads.

If you're rebuilding your Small Block, or just doing a gasket change, make sure to replace your old worn out studs with the best available. Purchase an ARP set.

ARP The World Leader In Fastener Technology!
Automotive Racing Products produce high grade engine fasteners. When building an engine it is critical to obtain optimum sealing.
During the manufacturing process all ARP fasteners are constructed from premium grade 8740 alloy that is rated far superior to "aircraft" quality.
Then, each stud is precisely heat-treated to 200,000 psi. Following heattreat, 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.
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.
Clearly, they are the best on the market today, and the favorite of leading professional engine builders in all forms of racing.