This EFI 351W Hi-Ram manifold comes with a 105MM 1986-95 Ford 5.0 throttle body flange side mount top. 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! HOLLEY EFI, HOLLEY EFI,Manifold is designed for a 9.5" deck height. HOLLEY EFI, HOLLEY EFI,• Runner length and the tapered cross-section designed to perform well for a wide range of engine configurations HOLLEY EFI, HOLLEY EFI,• EFI fuel rails are machined for -8AN O-ring Fittings with passages large enough to accommodate high fuel flows and dampen pressure pulsations in the fuel system and come standard with EFI Hi-Ram kits. HOLLEY EFI, HOLLEY EFI,• Cast aluminum construction. HOLLEY EFI, HOLLEY EFI,*** Requires the Use of Holley EFI Dual Sync Distributor - 565-111