🌍 We Ship Worldwide Learn more

💵 Afterpay available, shop now, pay later Learn more

💬 Customer Support Click here

Holley  |  SKU: 300-964

Holley 300-964 Hi-Ram EFI Intake Manifold Kit - Big Block Chevy

Hi-Ram intake manifold with 2x4 4150 plenum top. A -10AN fuel rail kit is included.

Regular price $2,113.80 NZD + GST
Shipping calculated at checkout.
⚠ Special Order Item — ships direct from supplier. No returns, exchanges, or cancellations once processed. Please allow 7–20 days shipping.

Description

Hi-Ram intake manifold with 2x4 4150 plenum top. A -10AN fuel rail kit is included.

Part Number: 300-964

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.

Features and Benefits

• The coolant outlet is a standard Chevy thermostat housing flange. and (2) 1/2 NPT and (1) 3/8 NPT coolant ports are provided.
• Cast 356-T6 Aluminum Construction, Natural, Satin As-Cast Aluminum Finish
• Power Band: 1500-8000 RPM
• Plenum Top Gasket Type – 3/32” Round O-ring Cord
• 2.40” tall x 1.60” wide port flange openings, uses Mr. Gasket intake manifold gasket #5817
• Uses drive by wire or cable actuated GM Gen IV LS 4-bolt throttle bodies
• Black anodized EFI fuel rails are machined for -10AN O-ring fittings and come included with these EFI Hi-Ram kits.
• 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
• 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
• Requires the use of early type GM or small cap MSD or Holley Distributors. Not compatible with HEI distributors
• MAP sensor port is for a GM Gen IV LS MAP sensor, manifold also has provisions for (1) 1/8 NPT, (1) 1/4 NPT, (1) 3/8 NPT fittings to the plenum
• 300-961, 300-963, and 300-964 are designed for 1965 & later 396-502+ MKIV-MKVI standard 9.80” deck height Big Block Chevy engines with standard intake flange rectangle-port cylinder heads.

Specifications

  • Specifications
    Basic Operating RPM Range1500-8000
    BrandHolley
    Carburetor FlangeSquare/4150
    Carburetor Quantity2
    Carburetor Studs IncludedNo
    CategoryIntake Manifolds
    CNC PortedNo
    ColorNatural
    ConstructionCast
    Cylinder Head Port ShapeRectangle
    Deck Height9.8
    EGR PortNo
    Emission Code3
    EngineChevy Big Block V8
    Flange Style4150 Square Bore
    Fuel Injectors IncludedNo
    Fuel Rail(s) IncludedYes
    Fuel System TypeEFI
    Gasket Or Seal IncludedYes
    Grade TypePerformance
    Intake Port Gasket(s) IncludedNo
    Manifold TypeHi-Ram
    MaterialAluminum
    Nitrous Bung(s) IncludedNo
    part typeEngine Intake Manifold
    Plenum FinishNatural
    Product TypeIntake Manifold
    Removable RunnersNo
    Removable Top/LidYes
    Single Or Dual Plane TypeSingle Plane
    Throttle Body Bore Diameter3.6
    Throttle Body Gasket IncludedNo
    Throttle Body IncludedNo
    Throttle BoreSquare/4150
    Vacuum PortsYes
    WarningCalifornia Proposition 65
    WarrantyManufacturer's Limited 90 Day Warranty
  • Instructions

Payment & Security

Payment methods

  • American Express
  • Apple Pay
  • Google Pay
  • Mastercard
  • PayPal
  • Shop Pay
  • Union Pay
  • Visa

Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.