Holley 351W Ford Hi-Ram EFI Manifold - 300-241 pics Pre-punched breather openings with baffles

Pre-punched breather openings with baffles on certain versions

1 L Engine

Max dyno gains of 9 hp and 10 lb-ft at the rear wheels

50-inch polished tips exit dual out the rear or side for a custom look

OEM - 46378-SV4-A51 / 46378SV4A51

Holley 351W Ford Hi-Ram EFI Manifold - 300-241 pics Pre-punched breather openings with bafflesOverview: The EFI Hi Ram manifold line has a new addition for the 351W Ford application. This manifold comes with a 95MM 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