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This lower intake manifold from Trick Flow is the key to building a Fox Mustang-style, EFI Clevor 351 engine. The R-Series lower bolts directly onto 9.5-deck 351W engine blocks (a 9.2-deck version also is available), without requiring any mods to manifold or block (the ports are perfectly matched to the heads, and water is properly routed), and handily supports Windsor-based, Cleveland-headed engines that operate in the 2,500- to 7,000-rpm range. Finding fuelie intakes for Boss-style, 8.2-deck engines is a bit more challenging, as none are available (as shelf items) through aftermarket companies. Edelbrock’s Performer RPM E-Boss intake (PN 7129) is the best bet for 302-based Boss efforts, but keep in mind the manifold will need to be modified for fuel injection.