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World, S/R Cast Iron Chev SB Head, 67cc, Assembled, Each
World S/R Street Replacement Cast Iron Chev SB Head
Designed to replace old stock worn out heads at a very affordable price. They feature hardened exhaust seats, extra thick decks, machined valve cover rails (eliminates leaks), and come with screw-in rocker studs. Accepts all factory accessories. Assemblies include 1.94/1.50 premium valves, springs, steel retainers, locks, seals and screw-in studs. Assemblies are fully assembled and ready to bolt on.