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HolleyPart 300-120Made in US
Product Details
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Key Features
All GM LS Gen 3 engines equipped with LS1/LS2 style cathedral port cylinder heads
Holley Carbureted 2x4150 Dual Plane Intake Manifold, LS Gen 3 LS1/LS2/LS6 engines
- The Holley GM LS1/LS2/LS6 2x4V dual-plane was designed in the tradition of the great dual Holley 4160 induction systems that competed on drag strips, in Trans-Am and at Lemans in the 1960’s.
- Carb Flange Center-To-Center: 8-5/8”
- Carbureted and EFI versions available
- Power band from 1500-7000 rpm
- Intended for use on all GM LS Gen III engines equipped with LS1/LS2 style cathedral port cylinder heads
- The dual-plane equal-distribution layout produces great mid-range torque without compromising top end power.
- Appropriate for any street/performance, muscle car, or street rod enthusiast
- Cast aluminum construction
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Product Specifications
Automotive Item Grade
Performance
Basic Operating RPM Range
1500-6500
Basic Operating RPM Range
1500-6500 R3
Brand
Holley
California Proposition 65 Chemical Name
20
Carburetor Flange
Square/4150
Carburetor Quantity
2
Carburetor Studs Included
No
Category
Engine
CNC Ported
No
Color
Natural
Construction
Cast
Cylinder Head Port Shape
Cathedral
Deck Height
9.24
EGR Port
No
Emission Code
4
Flange Style
4150 Square Bore
Front Maximum Height
4.47
Fuel Injectors Included
No
Fuel Rail(s) Included
No
Fuel System Type
Carb
Gasket Or Seal Included
No
Grade Type
Performance
Intake Port Gasket(s) Included
No
Manifold Type
Dual Plane
Material
Aluminum
Nitrous Bung(s) Included
No
Part Type
Engine Intake Manifold
Plenum Finish
Natural
Product Type
Intake Manifold Base
Rear Maximum Height
5.54
Removable Runners
No
Removable Top/Lid
No
RPM Power Band
1500-6500 RPM
Single Or Dual Plane Type
Single Plane
Sub Category
Cylinder Block Components
Throttle Body Bore Diameter
1.75
Throttle Body Gasket Included
No
Throttle Body Included
No
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
US
Emissions Code
4
HS Code
8409915085
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Dimensions & Shipping
Product Dimensions
23.2 × 14.4 × 7.2 in
Shipping Dimensions
23.2 × 14.4 × 7.2 in
Weight
7121 g (7.12 kg)