Holley Ls1/2/6 Hi-ram Im, Efi, 105mm Ls Tb-black

SKU: 1D5FU | MPN:  300-123BK
Only 25 units left
Sale price$1,738.44 USD

Holley Ls Hi-ram Efi Manifold - Black
The Holley GM LS1/LS2/LS6 Modular Hi-Ram Intake Manifold is introduced as a cost effective alternative to fabricated sheet-metal for high-performance applications where induction system height is not limited. Coupling this Hi-Ram intake with the high flowing LS1/LS2/LS6 style cylinder heads has outstanding potential for N/A and forced induction applications at a budget-minded cost. Aggressive, bold, race-bred styling will make bad intentions clear for drag race, muscle car, marine, off-road, sandrails, pulling trucks, track, street-rod applications and more! The base is designed to be modular in configuration to accept a wide range of carbureted and EFI tops and to be attractive to builders and fabricators as the foundation for custom induction systems. Runner length and the tapered cross-section designed to perform well for a wide range of engine configurations EFI fuel rails are machined for -8AN O-ring Fittings with passages large enough to accommodate high fuel flows and dampen pressure pulsations in the fuel system and come standard with EFI Hi-Ram kits. Cast aluminum construction. Intended for use on N/A or forced induction engines in the 6.0 to 7.0+ liter range, max power at 7000-8000+RPM.

Features:

  • Base Plenum Top Mounting Flange Height - 8.42" to the lifter valley cover flange on engine block.
  • Total Height with 92/105mm EFI Plenum Top - 12.32"to the lifter valley cover flange on engine block.
  • Runner Length - 6.58" As-Cast Runner Cross-Sectional Area - Tapered 4.25 in² to 2.53 in²
  • Throttle Body Flange Location, with 102mm EFI Plenum Top : Height - 8.42" (from engine block lifter valley cover flange), Longitudinal Location - 3.84" (forward from engine block front flange), Angle-25 deg. (down from vertical)
  • Plenum Top Gasket Type - 3/32" Round O-ring Cord
  • Mounting Flange Gasket Type -Standard LS3 Molded O-Ring
  • Port Size - 2.49" Height x 1.21" Wide

Specifications:

Construction Cast
Emission Code 3
Engine GM LS1/LS2/LS6
Finish Black
Front Height 12.32 inch
Fuel System Type EFI
Manifold Type Hi-Ram
Product Type Manifold
Rear Height 11.00 inch
RPM Power Band 1500-7000

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