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Holley EFI | SKU:
300-122BK
Holley 300-122BK LS Hi-Ram EFI Manifold - Black GM LS1/LS2/LS6
LS1/LS2/LS6 Cathedral Port EFI for 1 x 92MM Throttle Body - Black Ceramic Coating
Regular price
$2,527.60 NZD
+ GST
Unit price
/
Unavailable
Shipping calculated at checkout.
Holley 300-122BK LS Hi-Ram EFI Manifold - Black GM LS1/LS2/LS6 is not in stock at Fast Lane Spares and will ship direct from supplier
⚠ Special Order Item — ships direct from supplier. No returns, exchanges, or cancellations once processed. Please allow 7–20 days shipping.
Stock Status:
Holley 300-122BK LS Hi-Ram EFI Manifold - Black GM LS1/LS2/LS6
Regular price
$2,527.60 NZD
+ GST
Unit price
/
Unavailable
Description
Description
LS1/LS2/LS6 Cathedral Port EFI for 1 x 92MM Throttle Body - Black Ceramic Coating
Part Number: 300-122BK
• 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. • 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. 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! • 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. • Runner length and the tapered cross-section designed to perform well for a wide range of engine configurations • Cast aluminum construction.
Features and Benefits
• Mounting Flange Gasket Type – Standard LS3 Molded O-Ring
• Total Height with 92/102mm 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
• Port Size – 2.49” Height x 1.21” Wide
• Plenum Top Gasket Type – 3/32” Round O-ring Cord
• Base Plenum Top Mounting Flange Height – 8.42” to the lifter valley cover flange on engine block.
• 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)
*** The front and rear height measurements listed in the Specs section are referencing the overall height with the top plate installed. Please see the diagrams in the product images for other dimensions.
Part Number: 300-122BK
• 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. • 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. 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! • 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. • Runner length and the tapered cross-section designed to perform well for a wide range of engine configurations • Cast aluminum construction.
Features and Benefits
• Mounting Flange Gasket Type – Standard LS3 Molded O-Ring
• Total Height with 92/102mm 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
• Port Size – 2.49” Height x 1.21” Wide
• Plenum Top Gasket Type – 3/32” Round O-ring Cord
• Base Plenum Top Mounting Flange Height – 8.42” to the lifter valley cover flange on engine block.
• 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)
*** The front and rear height measurements listed in the Specs section are referencing the overall height with the top plate installed. Please see the diagrams in the product images for other dimensions.
Specifications
Specifications
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Specifications
Basic Operating RPM Range 3500-8000 Brand Holley EFI Carburetor Flange N/A Carburetor Quantity N/A Carburetor Studs Included N/A Category Engine CNC Ported No Color Black Construction Cast Cylinder Head Port Shape Cathedral Deck Height 9.24 EGR Port No Emission Code 4 Engine GM LS1/LS2/LS6 Flange Style EFI Front Maximum Height 12.32 Fuel Injectors Included No Fuel Rail(s) Included Yes Fuel System Type EFI Gasket Or Seal Included Yes Grade Type Performance Intake Port Gasket(s) Included No Manifold Type Hi-Ram Material Aluminum Nitrous Bung(s) Included No part type Engine Intake Manifold Plenum Finish Black Product Type Intake Manifold Rear Maximum Height 11 Recommended Use Forced Induction Removable Runners No Removable Top/Lid Yes Single Or Dual Plane Type Single Plane Sub Category Cylinder Block Components Throttle Body Bore Diameter 92 MM Throttle Body Gasket Included Yes Throttle Body Included No Vacuum Ports Yes Warning California Proposition 65 Warranty Manufacturer's Limited 90 Day Warranty -
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