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Holley Hi-Ram Intake Plenum Top, 2 x 4150 - Big Block Chevy / Small Block Chevy

Part # 300-945

  • The Big Block Chevy Hi-Ram manifold is available in either a traditional Hi-Ram 105mm plenum top or with a 2 x 4150 4-barrel throttle body plenum top options
  • Hi-Ram intake manifolds are a cost-effective alternative to fabricated sheet-metal or billet manifolds for high-performance applications where induction system height is not limited
  • Requires the use of early type GM or small cap MSD or Holley Distributors. Not compatible with HEI distributors
  • Cast 356-T6 Aluminum Construction, Natural, Satin As-Cast Aluminum Finish

Description

Holley Hi-Ram EFI intake manifolds are now available for 1965 & later 396-502+ MKIV-MKVI Big Block Chevy engines with standard intake flange rectangle-port cylinder heads. Traditional Big Block Chevy engines can now also be fitted with the Holley Brand Hi-Ram type EFI intake manifolds that have so well served GM LS & LT, Gen 3 Hemi, SBF Ford, and Ford Coyote engine platforms. The iconic Chevy SBC & BBC platforms are primed for 21st century induction systems, Holley EFI engine management, and Holley fuel systems.

Specifications

Basic Operating RPM Range1500-8000
Carburetor FlangeSquare/4150
Carburetor Quantity2
Carburetor Studs IncludedNo
CNC PortedNo
ColorNatural
ConstructionCast Aluminum
Cylinder Head Port ShapeRectangle
EGR PortNo
EngineChevrolet Small Block Gen I
Flange Style4150
Fuel Injectors IncludedNo
Fuel Rail(s) IncludedNo
Fuel System TypeEFI
Gasket Or Seal IncludedNo
Grade TypePerformance
Intake Port Gasket(s) IncludedNo
Manifold TypeHi-Ram
MaterialAluminum
Nitrous Bung(s) IncludedNo
Plenum FinishNatural
Removable RunnersNo
Removable Top/LidYes
Single Or Dual Plane TypeSingle Plane
Throttle Body Bore Diameter3.6
UPC / GTIN00090127963425
WarrantyManufacturer's Limited 90 Day Warranty