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HolleyPart 300-129bkMade in CN
Product Details
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Key Features
Fits all GM LS Gen III or IV engines equipped with LS3/LS92 style rectangular port cylinder heads. Includes mounting bolts & washers. NOTE: These Dual-Plane Intake Manifolds are NOT legal for sale or use on engines with pollution controlled equipment.
Got an LS engine to get running? Nothing is easier than bolting on a carburetor. Holley's dual plane carbureted intake for GM's LS engines will help you get on the streets quick! | Its dual plane design makes it perfect for low end torque, yet it still pulls all the way to 6,500 RPM! Our O-ring cylinder head mounting flange gaskets provide an OEM style seal and make installation a snap. Bolt one on today!
All GM LS Gen III or IV engines equipped with LS3/LS92 style rectangular port cylinder heads- Black Finish
- Minimum carb flange height means it fits in vehicles with minimal or no hood modifications
- Includes Viton® O-rings - Viton® is a registered trademark of DuPont Performance Elastomers
- 1500-6500 RPM power band
- Optimized runner layout and constant cross sectional area provide a broad torque curve
- Cast aluminum construction and efficient casting design for light weight, consistent wall thicknesses and improved casting quality
- Weighs 14.56 lbs.
- Height (rear) - 6.14" from rear lifter valley cover to carb mounting flange
- Height (front) - 5.07" from front lifter valley cover to carb mounting flange
- Mounting flange gasket type - O-ring
- Great for carbureted or throttle body EFI street applications
- Port size - 2.454" height x 1.09" wide
- 4150 square bore carb mounting flange
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About this product
All GM LS Gen III or IV engines equipped with LS3/LS92 style rectangular port cylinder heads- Black Finish
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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
4
Carburetor Flange
Square/4150
Carburetor Quantity
1
Carburetor Studs Included
4150 Square Bore
Category
Engine
CNC Ported
No
Color
Black
Construction
Cast
Cylinder Head Port Shape
Rectangle
Deck Height
9.24
EGR Port
No
Emission Code
4
Flange Style
4150 Square Bore
Front Maximum Height
5.07
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
Black
Product Type
Intake Manifold
Rear Maximum Height
6.14
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
3.6
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
CN
Emissions Code
4
HS Code
8409915085
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Dimensions & Shipping
Product Dimensions
23.0 × 14.7 × 7.1 in
Shipping Dimensions
23.0 × 14.7 × 7.1 in
Weight
6736 g (6.74 kg)