Holley 300-228 Hi-Ram Lower Manifold - Gm Ls7
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Engine Intake Manifold
The Holley GM LS7 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 LS7 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!
Specifications:
Description_ASC | These parts should be used for the following applications: Racing/Performance/Street Rodder where hood restrictions are NOT a consideration. |
Description_DEF | Engine Intake Manifold |
Description_DES | Holley Hi-Ram Lower Manifold - GM LS7 |
Description_EXT | Hi-Ram Lower Intake Manifold; Upper; Carbureted Base Only; Cast Aluminum; For Use w/LS7; |
Description_SHO | Intake Manifold |
Description_INV | LS7 HI-RAM, IM CARB, BASE ONLY |
Description_MKT | The Holley GM LS7 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 LS7 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! |
Description_MKT | ΓÇó 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. |
Description_MKT | ΓÇó Runner length and the tapered cross-section designed to perform well for a wide range of engine configurations |
Description_MKT | ΓÇó 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. |
Description_MKT | ΓÇó Cast aluminum construction. |
Description_MKT | ΓÇó 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. |
Description_FAB | Port Size - 2.49" Height x 1.21" Wide |
Description_FAB | Mounting Flange Gasket Type - Standard LS3 Molded O-Ring |
Description_FAB | Plenum Top Gasket Type - 3/32" Round O-ring Cord |
Description_FAB | Runner Length - 6.29", As-Cast Runner Cross-Sectional Area - Tapered 4.67 in┬▓ to 2.84 in┬▓ |
Finish | Silver |
Usage | Street/Hi-Performance |
RPM Range | 2500-8500 |
Position | Upper |
Color | Natural |
Emission Code | 3, 4 |
Cylinder Head Type | Standard |
Emission | Without EGR |
Fuel System Type | Carb |
Clearance Category | Air and Fuel Delivery |
Discount Percentage | 26-50% |
Engine | GM LS7 |
RPM Power Band | 3500-8000 RPM |
Construction | Cast |
WARNING CA Proposition 65 | No |
Engine Make/Size | GM LS7 |
Number of Carbs | One |
Brand | Holley |
Product Type | Intake Manifold Base |
Sale Category | Air and Fuel Delivery |
Type of Component | Lower Manifold |
Warranty | Limited 90 Day |
Length | 10.0000 |
Width | 15.0000 |
Height | 20.0000 |
Weight | 20.0000 |
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