Description

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 92/102mm EFI Plenum Top – 12.32” to the lifter valley cover flange on engine block.
  • Port Size – 2.49” Height x 1.21” Wide
  • Mounting Flange Gasket Type – Standard LS3 Molded O-Ring
  • Plenum Top Gasket Type – 3/32” Round O-ring Cord
  • Throttle Body Flange Location, with 92mm 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)
  • Runner Length – 6.58”, As-Cast Runner Cross-Sectional Area – Tapered 4.25 in² to 2.53 in²

Specifications

  • Brand: Holley EFI
  • Color: Black
  • Construction: Cast
  • Emission Code: 3 / 4
  • Engine: GM LS1/LS2/LS6
  • Finish: Black
  • Front Height: 12.32 inch
  • Fuel System Type: EFI
  • Manifold Type: Hi-Ram
  • Product Type: Intake Manifold
  • Rear Height: 11.00 inch
  • Recommended Use: Forced Induction
  • RPM Power Band: 3500-8000 RPM
  • Warranty: Limited 90 Day
  • UPC: 90127688908
  • Part Number: 300-122BK

Compatibility

  • 1997-2004 Chevrolet Corvette C5
  • 1998-2002 Pontiac FirebirdFormula, Trans Am
  • 1998-2002 Chevrolet Camaro Z28
  • 1998-2002 Chevrolet Camaro SS
  • 2004 Pontiac GTO
  • 2001-2004 HSV GTO
  • 1999-2005 Holden Statesman
  • 2001-2005 Holden Monaro
  • 2001-2004 Chevrolet Corvette C5 Z06
  • 2004-2005 Cadillac CTS V-Series
  • 2007-2008 SSC Ultimate Aero TT

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 92/102mm EFI Plenum Top – 12.32” to the lifter valley cover flange on engine block.
  • Port Size – 2.49” Height x 1.21” Wide
  • Mounting Flange Gasket Type – Standard LS3 Molded O-Ring
  • Plenum Top Gasket Type – 3/32” Round O-ring Cord
  • Throttle Body Flange Location, with 92mm 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)
  • Runner Length – 6.58”, As-Cast Runner Cross-Sectional Area – Tapered 4.25 in² to 2.53 in²
  • Brand: Holley EFI
  • Color: Black
  • Construction: Cast
  • Emission Code: 3 / 4
  • Engine: GM LS1/LS2/LS6
  • Finish: Black
  • Front Height: 12.32 inch
  • Fuel System Type: EFI
  • Manifold Type: Hi-Ram
  • Product Type: Intake Manifold
  • Rear Height: 11.00 inch
  • Recommended Use: Forced Induction
  • RPM Power Band: 3500-8000 RPM
  • Warranty: Limited 90 Day
  • UPC: 90127688908
  • Part Number: 300-122BK
  • 1997-2004 Chevrolet Corvette C5
  • 1998-2002 Pontiac FirebirdFormula, Trans Am
  • 1998-2002 Chevrolet Camaro Z28
  • 1998-2002 Chevrolet Camaro SS
  • 2004 Pontiac GTO
  • 2001-2004 HSV GTO
  • 1999-2005 Holden Statesman
  • 2001-2005 Holden Monaro
  • 2001-2004 Chevrolet Corvette C5 Z06
  • 2004-2005 Cadillac CTS V-Series
  • 2007-2008 SSC Ultimate Aero TT

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