The Hi-Ram manifold line has a new addition for the 351W Ford application. 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 make bad intentions clear for drag race, muscle car, marine, off-road, sandrails, pulling trucks, track, street-rod applications and more! Manifold is designed for a 9.5" deck height. Manifold width is 11.32". • Runner length and the tapered cross-section designed to perform well for a wide range of engine configurations • Cast aluminum construction. *** For carbureted applications you can use MSD PN 85787 Ford 351W Distributor with Steel Gear