This ARP head bolt kit is specified for Pontiac 1965–1966 D‑Port V8 engines covering 326–421 cubic‑inch applications and supplies the correct fasteners for D‑Port cylinder heads. Intended for restoration projects and engine builds of period Pontiac V8s, the kit provides the replacement head bolts needed when assembling or refurbishing D‑Port heads to original‑style configurations.
ARP Pontiac 1965-66 326-421 cid w/ D-Port Head Bolt Kit