Holley's carbureted dual plane high rise intake manifold for your dual purpose caombination. Fits all GM LS engines equipped with LS1/LS2/LS6 style cathedral port cylinder heads.
Bolting on a carburetor to your LS engine? This proven dual plane design intake manifold makes it perfect for low end torque, yet it still pulls all the way to 6,500 RPM with the correct peripherals! The O–ring cylinder head mounting flange gaskets provide a factory style seal and make installation a snap.
Features:
1500-6500 RPM power band
4150 Square bore flange
Optimized runner layout and constant cross sectional area
Broad torque curve, best vehicle performance from 1500-6500 RPM
Minimum flange height means it fits in vehicles with minimal hood modifications
Great for carbureted or throttle body EFI street applications
Cast aluminum construction design for light weight
Consistent wall thicknesses and improved casting quality