Holley LS1/LS2/LS6 Hi-Ram Intake Manifold (HO300-122)

The Holley GM LS3/L92 Modular Hi-Ram Intake Manifoldis 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 LS3/L92 style cylinderheads 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 widerange of carbureted and EFI tops and to be attractive to builders and fabricators as the foundation for custom induction systems.
• Runner lengthand the tapered cross-section designed to perform well for awide 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 pulsationsin the fuel system and come standard with EFI Hi-Ram kits.
• Cast aluminium construction.
• Intendedfor use on N/A or forced induction engines in the 6.0 to 7.0+ liter range, max powerat 7000-8000+RPM.

FEATURES:

• Base Plenum Top Mounting Flange Height – 8.42†to thelifter valley cover flange on engine block.
• Total Height with 92/102mm EFI Plenum Top – 12.32†to thelifter valley cover flange on engine block.
• Port Size – 2.49†Height x1.21†Wide
• MountingFlange Gasket Type – Standard LS3 Molded O-Ring
• Plenum Top Gasket Type – 3/32†RoundO-ring Cord
• Throttle Body Flange Location, with 92/102mm EFI Plenum Top : Height – 8.42†(fromengine block lifter valley cover flange), Longitudinal Location – 3.84†(forwardfrom engine block front flange), Angle – 25 deg. (down from vertical)
• Runner Length – 6.58†, As-CastRunner Cross-Sectional Area – Tapered 4.25 in² to 2.53in²