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ARP head stud kit for Big-Block Chevy installations with an aluminum block, supplied with 1/2-inch studs. This set supplies the head studs matched to that block configuration, serving as the appropriate stud kit when installing or reassembling heads on a BB Chevy aluminum block that requires 1/2-inch studs.
ARP BB Chevy 1/2in w/alum block head stud kit
