COMPATIBLE:
2004 - 2005 CADILLAC CTS-V (5.7L-LS6)
1998 - 2002 CHEVROLET CAMARO (5.7L-LS1)
1997 - 2004 CHEVROLET CORVETTE (5.7L-LS1)
2001 - 2004 CHEVROLET CORVETTE Z06 (5.7L-LS6)
2005 - 2008 CHEVROLET CORVETTE (6.0L-LS2)
1998 - 2002 PONTIAC FIREBIRD (5.7L-LS1)
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.
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Port Size – 2.49” Height x 1.21” Wide
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Mounting Flange Gasket Type – Standard LS3 Molded O-Ring
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Plenum Top Gasket Type – 3/32” Round O-ring Cord
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Runner Length – 6.58”, As-Cast Runner Cross-Sectional Area – Tapered 4.25 in² to 2.53 in²
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Black
Basic Operating RPM Range |
3500-8000 RPM |
|---|---|
Brand |
Holley EFI |
Category Filter |
Intake Manifolds |
Clearance Category |
Intake Manifolds |
Color |
Black |
Construction |
Cast |
EGR Port |
No |
Emission Code |
4 |
Engine |
GM LS1/LS2/LS6 |
Finish |
Black |
Fuel System Type |
EFI |
Grade Type |
Performance |
Intake Port Gasket(s) Included |
No |
Material |
Aluminum |
Nitrous Bung(s) Included |
No |
Plenum Finish |
Black |
Product Type |
Intake Manifold Base |
Removable Runners |
No |
RPM Power Band |
3500-8000 RPM |
Sale Category |
Air and Fuel Delivery |
Single Or Dual Plane Type |
Single Plane |
Throttle Body Included |
No |
Type of Component |
Lower Manifold |
Warranty |
Limited 90 Day |
UPC |
090127029930 |
Part Number |
300-227BK |
ABOUT HOLLEY PERFORMANCE
For over a century Holley has driven the cutting edge of fuel-system design. That work continues today through Holley’s market-leading EFI products as well as through Holley’s family of best-in-industry brands. Top brands like MSD, Flowmaster, Hurst, Accel, and many more make up the industry’s leading offering of enthusiast-driven products to deliver robust, complete performance solutions for builders, racers, and drivers. From propelling the LS-, Coyote-, and Gen 3 Hemi-swap trends, to continuously innovating late-model and vintage vehicle performance, Holley’s commitment to its customers and their cars is at the core of everything we do.
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