Holley Performance 300-129BK Engine Intake Manifold

All GM LS Gen III or IV engines equipped with LS3/LS92 style rectangular port cylinder heads- Black Finish;<br><br>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!<br><br>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!;

• 1500-6500 RPM power band
• 4150 square bore carb mounting flange
• Optimized runner layout and constant cross sectional area provide a broad torque curve
• Minimum carb flange height means it fits in vehicles with minimal or no hood modifications
• Great for carbureted or throttle body EFI street applications
• Cast aluminum construction and efficient casting design for light weight, consistent wall thicknesses and improved casting quality
• Weighs 14.56 lbs.
• Height (front) - 5.07" from front lifter valley cover to carb mounting flange
• Height (rear) - 6.14" from rear lifter valley cover to carb mounting flange
• Port size - 2.454" height x 1.09" wide
• Mounting flange gasket type - O-ring
• Includes Viton® O-rings - Viton® is a registered trademark of DuPont Performance Elastomers