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

Part Number: 300-130

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" height x 1" wide
• Height (front) - 5.07" 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" from rear lifter valley cover to carb mounting flange

All GM LS Gen III or IV engines equipped with LS1/LS2/LS6 style cathedral port cylinder heads. Includes mounting bolts & washers._x000D_ _x000D_ NOTE: These Dual-Plane Intake Manifolds are NOT legal for sale or use on engines with pollution controlled equipment.