Holley Black 351W Ford Hi-Ram EFI Manifold - 300-242BK rwd Models with Secondary Air Injection

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Holley Black 351W Ford Hi-Ram EFI Manifold - 300-242BK rwd Models with Secondary Air InjectionOverview: The EFI Hi Ram manifold line has a new addition for the 351W Ford application. This manifold comes with a 105MM LS throttle body flange top, a 105mm LS throttle body top is also available. The runner length and tapered cross section design will perform well for a wide range of engine combinations. The engineering team also redesigned the water crossover passage to allow room for distributor phasing. Aggressive, bold, race bred styling will