Product Details
Key Features
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!
All GM LS Gen III or IV engines equipped with LS1/LS2/LS6 style cathedral port cylinder heads w/Black Ceramic Coating
- Includes Viton® O-rings - Viton® is a registered trademark of DuPont Performance Elastomers
- Optimized runner layout and constant cross sectional area - broad torque curve, best vehicle performance from 1500-6500 RPM
- Great for carbureted or throttle body EFI street applications
- Mounting flange gasket type - O-ring
- Port size - 2.72" height x 1" wide
- Minimum carb flange height means it fits in vehicles with minimal or no hood modifications
- Cast aluminum construction and efficient casting design for light weight, consistent wall thicknesses and improved casting quality
- Height (rear) - 6.14" from rear lifter valley cover to carb mounting flange
- Weighs 15.14 lbs.
- 4150 Square bore flange
- 1500-6500 RPM power band
- Height (front) - 5.07" from front lifter valley cover to carb mounting flange
About this product
All GM LS Gen III or IV engines equipped with LS1/LS2/LS6 style cathedral port cylinder heads w/Black Ceramic Coating



