ARP valve cover bolt kit for Merlin block and Brodix BB heads is supplied with 12-point heads to match that fastener pattern on applicable engines. The kit provides the correct threaded fasteners for securing valve covers on Merlin-block engines equipped with Brodix big-block heads, useful when replacing worn hardware or completing engine assembly with the proper 12-point fittings.
ARP Merlin block, Brodix head BB 12pt valve cover bolt kit