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The ARP hex header stud kit provides 3/8 x 1.670 inch studs for big-block Chevy header applications. These hex studs are intended as hardware for securing exhaust headers in applicable BB Chevy engines, presented in the size called out in the product name. Choose this kit when you need the specific 3/8 x 1.670in header stud length for compatible big-block Chevrolet installations.
ARP BB Chevy 3/8 x 1.670in Hex Header Stud Kit
