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This ARP header stud kit is specified for big-block Chevy engines and includes 3/8 x 1.670 inch, 12-point header studs. Supplied as a hardware kit for attaching exhaust headers on compatible big-block Chevy applications, the listing identifies the stud size and 12-point configuration. Confirm engine block type before purchasing to ensure proper application.
ARP BB Chevy 3/8 x 1.670in 12pt Header Stud Kit
