The Holley Gm 2x4 dual plane manifold is designed in the tradition of the great dual Holley 4160 induction systems that competed on drag strips, in Trans-Am at Lemans in the 1960's. The technology of the Ls pushrod engine is now mated with the impressive multi-carb looks and performance of the muscle car era!

Features and Benefits:

• Perfect for any street/performance, muscle car or street rod enthusiast Fits all Gm Ls Gen Iii or Gen Iv engines equipped with LS3/L92 style rectangular port cylinder heads
• Dual plane design for equal distribution and great mid-range torque without comprimising top-end power Power band from 1500-7000rpm Cast aluminum construction

Associated Comments:

• The Ls engine architecture does not utilize an intake mounted water neck or distributor

Details:

• Basic Operating RPM Range: 1500-6500 RPM
• Cnc Ported: No
• Carburetor Flange: Square/4150
• Carburetor Quantity: 2.0
• Carburetor Studs Included: No
• Color: Natural
• Construction: Cast
• Cylinder Head Port Shape: Rectangle
• Deck Height: 9.24 Inch
• Egr Port: No
• Engine: Gm LS3/L92
• Flange Style: 4150 Square Bore
• Front Maximum Height: 4.73 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: 5.8 Inch
• Removable Runners: No
• Removable Top/Lid: No
• Single Or Dual Plane Type: Single Plane
• Throttle Body Bore Diameter: 1.75
• Throttle Body Gasket Included: No
• Throttle Body Included: No
• Vacuum Ports: Yes
• Warranty: Manufacturer's Limited 90 Day Warranty