Holley EFI Engine Air Intake Housing
300-239
PLENUM TOP, LT1 HI-RAM 2 X 4500, 2.25 BO;holley; EFI; intake; manifold; hi-ram; HI-Ram; LT1; LT; GM Manifolds;;Holley Hi-Ram Intake Plenum Top Only - 2 x 4500 (2.5" bore);Hi-Ram, Plenum Top Only, 2 x 4500, 2.5in Bore;Fits Holley Hi-Ram Manifolds;Modular Design w/ Removable Top;A-B Height: 12.10” (w/ Carb Style Top - 2 x 4150 or 2 x 4500) – See Drawing;Height at Plenum Flange: 9.44”;O-Ring Seals for Plenum Top