Holley EFI - 300-227
Holley Hi-Ram Lower Manifold - GM LS1/LS2/LS6
LS1/LS2/LS6 Cathedral Port EFI Base Only
• Intended for use on N/A or forced induction engines in the 6.0 to 7.0+ liter range with max power at 7000-8000+RPM
- Port Size - 2.49” H x 1.21” W
- Mounting Flange Gasket Type - Standard LS3 Molded O-ring
- 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
- Silver color
Basic Operating RPM Range: 3500-8000 RPM
Brand: Holley EFI
Category: Engine
Color: Natural
Construction: Cast
EGR Port: No
Emission Code: 4
Engine: GM LS1/LS2/LS6
Finish: Silver
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
RPM Power Band: 3500-8000 RPM
Single Or Dual Plane Type: Single Plane
Sub Category: Cylinder Block Components
Throttle Body Included: No
Type of Component: Lower Manifold
Warning: California Proposition 65
Warranty: Manufacturer's Limited 90 Day Warranty
