Holley EFI Engine Air Intake Housing

300-207BK

PLENUM TOP, LT1 2 X 4150 FLNGE-BLACK;Bolts thread into lid downwards through the intake base.;holley; EFI; intake; manifold; hi-ram; HI-Ram; LT1; LT; GM Manifolds;;Holley Hi-Ram Intake Plenum Top Only, 2 x 4150- Black Finish;Hi-Ram, Plenum Top Only, 2 x 4150;Fits Holley Hi-Ram Manifolds - Holley has launched new black ceramic coated plenum tops to match our Hi-Ram manifold bases! They are available in the dual 4150 throttle body pattern or in a full blank top so that you can design your system. The plenum tops are constructed of cast aluminum.;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