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Holley EFI 300-227 - Hi-Ram Lower Manifold - GM LS1/LS2/LS6
Holley EFI 300-227 - Hi-Ram Lower Manifold - GM LS1/LS2/LS6
SKU: HOLEFI-300-227
Regular price
$1,000.99 USD
Regular price
$1,068.95 USD
Sale price
$1,000.99 USD
Shipping calculated at checkout.
15 in stock
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Holley EFI 300-227 - Hi-Ram Lower Manifold - GM LS1/LS2/LS6
Holley Hi-Ram Lower Manifold - GM LS1/LS2/LS6
LS1/LS2/LS6 Cathedral Port EFI Base Only
• 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
- Silver color
- Mounting Flange Gasket Type - Standard LS3 Molded O-ring
- Port Size - 2.49” H x 1.21” W
- Plenum Top Gasket Type - 3/32” Round O-ring Cord
- Runner Length - 6.58” As-Cast Runner Cross-Sectional Area - Tapered 4.25 in² to 2.53 in²
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: Natural
Construction: Cast
Cylinder Head Port Shape: Cathedral
Deck Height: 9.24
EGR Port: No
Emission Code: 4
Engine: GM LS1/LS2/LS6
Flange Style: N/A
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
Material: Aluminum
Nitrous Bung(s) Included: No
part type: Engine Intake Manifold
Plenum Finish: Natural
Product Type: Intake Manifold Base
Removable Runners: No
Removable Top/Lid: Yes
Single Or Dual Plane Type: Single Plane
Sub Category: Cylinder Block Components
Throttle Body Bore Diameter: N/A
Throttle Body Gasket Included: N/A
Throttle Body Included: No
Type of Component: Lower Manifold
Vacuum Ports: Yes
Warning: California Proposition 65
Warranty: Manufacturer's Limited 90 Day Warranty
