Holley 300-946 – Hi-Ram Intake Plenum Top, 105MM LS – Big Block Chevy / Small Block Chevy

Description

Holley 300-946 – Hi-Ram Intake Plenum Top, 105MM LS – Big Block Chevy / Small Block Chevy

Holley Hi-Ram Intake Plenum Top, 105MM LS – Big Block Chevy / Small Block Chevy

Fits Holley Hi-Ram Manifolds for Small Block Chevy and Big Block Chevy.

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.

• 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
• Cast 356-T6 Aluminum Construction, Natural, Satin As-Cast Aluminum Finish
• Throttle Cable Bracket is supplied in the kit
• 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
• Uses drive by wire or cable actuated GM Gen IV LS 4-bolt throttle bodies

Basic Operating RPM Range: N/ABrand: HolleyCarburetor Flange: N/ACarburetor Quantity: N/ACarburetor Studs Included: NoCategory: Air and Fuel DeliveryCNC Ported: NoColor: NaturalConstruction: Cast AluminumCylinder Head Port Shape: N/ADeck Height: N/AEGR Port: NoEmission Code: 3Engine: GM SBC/BBCFlange Style: N/AFuel Injectors Included: NoFuel Rail(s) Included: NoGasket Or Seal Included: YesGrade Type: PerformanceIntake Port Gasket(s) Included: NoMaterial: AluminumNitrous Bung(s) Included: Nopart type: Engine Intake ManifoldPlenum Finish: NaturalProduct Type: Intake Manifold TopRemovable Runners: NoRemovable Top/Lid: YesSingle Or Dual Plane Type: Single PlaneThrottle Body Bore Diameter: 105Throttle Body Gasket Included: YesThrottle Body Included: NoVacuum Ports: NoWarning: California Proposition 65Warranty: Manufacturer’s Limited 90 Day Warranty