Holley 300-130 Dual Plane Intake GM LS1/LS2/LS6 All GM LS Gen III or IV Engines Equipped with LS1/LS2/LS6 Style Cathedral Port

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! 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!

Features and Benefits:

• Optimized runner layout and constant cross sectional area - broad torque curve, best vehicle performance from 1500-6500 RPM Cast aluminum construction and efficient casting design for light weight, consistent wall thicknesses and improved casting quality Includes Viton O-rings - Viton is a registered trademark of DuPont Performance Elastomers Great for carbureted or throttle body EFI street applications 1500-6500 RPM power band Port size - 2.72 inch height x 1 inch wide Height (front) - 5.07 inch from front lifter valley cover to carb mounting flange 4150 Square bore flange Minimum carb flange height means it fits in vehicles with minimal or no hood modifications Mounting flange gasket type - O-ring Weighs 15.14 lbs
• Height (rear) - 6.14 inch from rear lifter valley cover to carb mounting flange

Associated Comments:

• All GM LS Gen III or IV engines equipped with LS1/LS2/LS6 style cathedral 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.

Details:

• Basic Operating RPM Range: 1500-6500 RPM
• Cnc Ported: No
• Carburetor Flange: Square/4150
• Carburetor Quantity: 1.0
• Carburetor Studs Included: No
• Color: Natural
• Construction: Cast
• Cylinder Head Port Shape: Cathedral
• Deck Height: 9.24 Inch
• EGR Port: No
• Engine: GM LS1/LS2/LS6
• Flange Style: 4150 Square Bore
• Front Maximum Height: 5.07 Inch
• 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
• Plenum Finish: Natural
• Rear Maximum Height: 6.14 Inch
• Removable Runners: No
• Removable Top/Lid: No
• Single Or Dual Plane Type: Single Plane
• Throttle Body Bore Diameter: 3.6
• Throttle Body Gasket Included: No
• Throttle Body Included: No
• Vacuum Ports: Yes
• Warranty: Manufacturer's Limited 90 Day Warranty

Installation Guide: Download PDF

Installation / Product Video: Watch on YouTube

⚠️ California Proposition 65 Warning
California Residents: This product can expose you to chemicals which are known to the State of California to cause cancer or other reproductive harm. Please visit www.p65warnings.ca.gov for more information.