HOLLEY part description

Product Description

LS Dual Plane Mid-Rise Intake

Application Summary

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! 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!

Features & Benefits

  • 1500-6500 rpm Power Band
  • 4150 Square Bore Flange
  • Optimized Runner Layout Provide A Broad Torque Curve
  • Minimum Carb Flange Height Results Minimum Hood Modifications
  • Great For Carbureted Or Throttle Body EFI Street Applications
  • Efficient Cast Design For Light Weight Consistent Wall Thickness
  • Weighs 15.14 lbs..
  • Port Size 2.72in. Height X 1in. Wide
  • Mounting Flange Gasket Type O-Ring
  • Includes Viton O-Rings

Holley Performance Emission Code 3: This part is legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles and Racing Use Only Vehicles. The following vehicles are considered Uncontrolled (Non-Emissions Controlled) Vehicles: 1965 and older U.S. manufactured California Certified vehicles/1967 and older U.S. manufactured Federally Certified vehicles/1967 and older Foreign manufactured vehicle. The following vehicles are considered Racing Use Only Vehicles: Racing Use Only Vehicles are vehicles that are used exclusively for competition and that are not registered and that may never be used on the street. WARNING: It is against the law to install this part on an Emissions Controlled Vehicle. The following vehicles are considered Emissions Controlled Vehicles: 1966 and newer U.S. manufactured California Certified vehicles/1968 and newer U.S. manufactured Federally Certified vehicles/1968 and newer Foreign manufactured vehicle

Product Attributes

Construction Cast
Cylinder Head Type Cathedral Port
Emission Without EGR
Engine Make/size GM LS1/LS2/LS6
Finish Satin
FLANGE TYPE 4150 Square Bore
Front Height 5.070 in.
Fuel System Type Carb
Manifold Type Dual Plane
Number Of Carbs One
Position Upper
Rear Height 6.140 in.
Rpm Range 1500-6500
Usage Street/Hi-Performance

Additional Information

Country of Origin (Primary) CN
Harmonized Tariff Code (Schedule B) 8409918000
Harmonized Tariff Code (HTS) 8409918000
NAFTA Preference Criterion Code B
Remanufactured Part N
UPC 00090127687703
Holley® has been the undisputed leader in fuel systems, powering nearly every NHRA Pro-Stock champion and Monster Energy NASCAR Cup team with its expansive line of carburetors for over 40 years. Today, its EFI products and products for GM's popular LS engine are what dominate the performance world and the LS scene respectively. But aside from carburetors, Holley is also widely recognized for its intake manifolds, performance fuel pumps, and engine dress-up products. And to better serve its customers, it partnered with numerous other companies, such as MSD, a company developing electronics for the entire powertrain, and Powerteq, the world leader in performance tuning in the automotive market.

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