The ARP head bolt kit for Pontiac 400–455 with Edelbrock D-Port heads is a dedicated fastener set intended for use with that specific engine and head combination. Packaged as a complete kit for the D-Port Edelbrock head style, it consolidates the necessary hex-head bolts for replacement or rebuild work where that Pontiac engine configuration is present.
ARP Pontiac 400-455 w/ Edelbrock D-Port Head Bolt Kit