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HolleyPart 300-961Made in CN
Product Details
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Key Features
Hi-Ram EFI Base for 1965 & later 396-502+ MKIV-MKVI Big Block Chevy engines with standard intake flange rectangle-port cylinder heads
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 EFI Base for 1965 & later 396-502+ MKIV-MKVI Big Block Chevy engines with standard intake flange rectangle-port cylinder heads
- 2.40” tall x 1.60” wide port flange openings, uses Mr. Gasket intake manifold gasket #5817
- 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.
- 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
- Power Band: 1500-8000 RPM
- The coolant outlet is a standard Chevy thermostat housing flange. and (2) 1/2 NPT and (1) 3/8 NPT coolant ports are provided.
- 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
- Black anodized EFI fuel rails are machined for -10AN O-ring fittings and come included with these EFI Hi-Ram kits.
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About this product
Hi-Ram EFI Base for 1965 & later 396-502+ MKIV-MKVI Big Block Chevy engines with standard intake flange rectangle-port cylinder heads
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Product Specifications
Automotive Item Grade
Performance
Basic Operating RPM Range
1500-8000
Brand
Holley
California Proposition 65 Chemical Name
4
Carburetor Studs Included
No
Category
Intake Manifolds
CNC Ported
No
Color
Natural
Construction
Cast
Cylinder Head Port Shape
Rectangle
Deck Height
9.8
EGR Port
No
Emission Code
3
Fuel Injectors Included
No
Fuel Rail(s) Included
Yes
Fuel System Type
EFI
Gasket Or Seal Included
Yes
Grade Type
Performance
Intake Port Gasket(s) Included
No
Manifold Type
Hi-Ram
Material
Aluminum
Nitrous Bung(s) Included
No
Part Type
Engine Intake Manifold
Plenum Finish
Natural
Product Type
Intake Manifold Base
Removable Runners
No
Removable Top/Lid
Yes
RPM Power Band
1500-8000
Single Or Dual Plane Type
Single Plane
Throttle Body Gasket Included
No
Throttle Body Included
No
Type Of Component
Lower Manifold
Vacuum Ports
Yes
Warning
California Proposition 65
Warranty
Manufacturer's Limited 90 Day Warranty
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Warranty & Compliance
Warranty
Manufacturer's Limited 90 Day Warranty
Country of Origin
CN
Emissions Code
3
HS Code
8409915085
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Dimensions & Shipping
Product Dimensions
22.5 × 13.0 × 9.5 in
Shipping Dimensions
22.5 × 13.0 × 9.5 in
Weight
13608 g (13.61 kg)