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Product Details
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Key Features
Overview
• The base is designed to be modular in configuration to accept a wide range of carbureted and EFI tops and to be attractive to builders and fabricators as the foundation for custom induction systems.
• EFI fuel rails are machined for -8AN O-ring Fittings with passages large enough to accommodate high fuel flows and dampen pressure pulsations in the fuel system and come standard with EFI Hi-Ram kits.
The Holley GM LS1/LS2/LS6 Modular Hi-Ram Intake Manifold is introduced as a cost effective alternative to fabricated sheet-metal for high-performance applications where induction system height is not limited. Coupling this Hi-Ram intake with the high flowing LS1/LS2/LS6 style cylinder heads has outstanding potential for N/A and forced induction applications at a budget-minded cost. Aggressive, bold, race-bred styling will make bad intentions clear for drag race, muscle car, marine, off-road, sandrails, pulling trucks, track, street-rod applications and more!
• Intended for use on N/A or forced induction engines in the 6.0 to 7.0+ liter range, max power at 7000-8000+RPM.
• Runner length and the tapered cross-section designed to perform well for a wide range of engine configurations • Cast aluminum construction.
LS1/LS2/LS6 Cathedral Port EFI for 1 x 92MM Throttle Body - Black Ceramic Coating
Features
- Mounting Flange Gasket Type – Standard LS3 Molded O-Ring
- Total Height with 92/102mm EFI Plenum Top – 12.32” to the lifter valley cover flange on engine block.
- Runner Length – 6.58”, As-Cast Runner Cross-Sectional Area – Tapered 4.25 in² to 2.53 in²
- Port Size – 2.49” Height x 1.21” Wide
- Plenum Top Gasket Type – 3/32” Round O-ring Cord
- Base Plenum Top Mounting Flange Height – 8.42” to the lifter valley cover flange on engine block.
- Throttle Body Flange Location, with 92mm EFI Plenum Top : Height – 8.42” (from engine block lifter valley cover flange), Longitudinal Location – 3.84” (forward from engine block front flange), Angle – 25 deg. (down from vertical)
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Product Specifications
Basic Operating RPM Range
3500-8000
Basic Operating RPM Range
3500-8000 RPM
Brand
Holley EFI
Carburetor Flange
N/A
Carburetor Quantity
N/A
Carburetor Studs Included
N/A
CNC Ported
No
Color
Black
Construction
Cast
Country
US
Cylinder Head Port Shape
Cathedral
Deck Height
9.24
EGR Port
No
Emission Code
3
Engine
GM LS1/LS2/LS6
Flange Style
EFI
Front Maximum Height
12.32
Fuel Injectors Included
No
Fuel Rail(s) Included
Yes
Fuel System Type
EFI
Gasket Or Seal Included
Yes
Grade Type
Performance
HTS Code
8409915085
Intake Port Gasket(s) Included
No
Manifold Type
Hi-Ram
Material
Aluminum
Nitrous Bung(s) Included
No
Part Type
Engine Intake Manifold
Plenum Finish
Black
Product Type
Intake Manifold
Prop 65 Yes/No
Yes
Rear Maximum Height
11
Recommended Use
Forced Induction
Removable Runners
No
Removable Top/Lid
Yes
RPM Power Band
3500-8000 RPM
Single Or Dual Plane Type
Single Plane
Throttle Body Bore Diameter
92 MM
Throttle Body Gasket Included
Yes
Throttle Body Included
No
Vacuum Ports
Yes
Warranty
Manufacturer's Limited 90 Day Warranty
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Package Contents
Kit includes all necessary components. Please refer to manufacturer specifications for detailed package contents.
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