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The ARP head stud kit for big-block Chevrolet with an aluminum block uses 1/2-inch studs specified for BB Chevy aluminum-block applications. This head stud set supplies the appropriately sized fasteners to clamp the cylinder head on aluminum blocks, supporting consistent clamping and head sealing in demanding engine builds. It’s presented as the correct stud configuration for that block and head pairing.
ARP BB Chevy w/alum block 1/2in head stud kit
