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ARP header bolt kit for big‑block Chevrolet applications with a .875 UHL flange. The kit includes .875 UHL 12‑point stainless steel header bolts specified for BB Chevy installations, supplying correct 12‑point hardware for header-to-collector connections. It’s intended as a direct kit for builders and mechanics fitting or servicing big‑block Chevy exhausts.
ARP BB Chevy SS 12pt .875 UHL header bolt kit
