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The ARP BB Chevy 409 head stud kit supplies the fasteners required to secure cylinder heads on big‑block Chevy 409 engines. Intended for engine rebuilds and high-load applications, the kit replaces stud hardware to restore proper clamping and sealing of the head-to-block interface. It’s a component-level solution for assembling or refreshing a 409-style V8.
ARP BB Chevy 409 head stud kit
