Multiple U.S. Warehouse LocationsBroken ApexFree shipping on qualified orders over $100*
ARP header bolt kit for big-block Chevy applications supplies 12-point, .875 UHL bolts specified for BB Chevy headers. These bolts are provided to match that big-block geometry and UHL length, offering a direct-replacement hardware option to restore correct header clamping and simplify reassembly and routine service tasks.
ARP BB Chevy 12pt .875 UHL header bolt kit
